[cut-n-paste from sophos.com]

Name   W32/Rbot-BFR

Type  
    * Worm

How it spreads  
    * Network shares

Affected operating systems  
    * Windows

Side effects  
    * Allows others to access the computer
    * Modifies data on the computer
    * Installs itself in the Registry
    * Exploits system or software vulnerabilities
    * Used in DOS attacks

Aliases  
    * Backdoor.Win32.Rbot.alj
    * W32/Sdbot.worm.gen.n
    * W32.Spybot.Worm
    * WORM_RBOT.DFP

Prevalence (1-5) 2

Description
W32/Rbot-BFR is a network worm with backdoor functionality for the 
Windows platform.

W32/Rbot-BFR spreads:

- to other network computers by exploiting common buffer overflow 
vulnerabilities, including: LSASS (MS04-011), RPC-DCOM (MS04-012), 
WKS (MS03-049) (CAN-2003-0812), PNP (MS05-039) and ASN.1 (MS04-007)
- by copying itself to network shares protected by weak passwords

W32/Rbot-BFR runs continuously in the background, providing a 
backdoor server which allows a remote intruder to gain access and 
control over the computer via IRC channels.

Advanced
W32/Rbot-BFR is a worm with backdoor functionality for the Windows 
platform.

W32/Rbot-BFR is a network worm with backdoor functionality for the 
Windows platform.

W32/Rbot-BFR spreads:

- to other network computers by exploiting common buffer overflow 
vulnerabilities, including: LSASS (MS04-011), RPC-DCOM (MS04-012), 
WKS (MS03-049) (CAN-2003-0812), PNP (MS05-039) and ASN.1 (MS04-007)
- by copying itself to network shares protected by weak passwords

W32/Rbot-BFR runs continuously in the background, providing a 
backdoor server which allows a remote intruder to gain access and 
control over the computer via IRC channels.

When first run W32/Rbot-BFR copies itself to \winsrt.exe.

The following registry entries are created to run winsrt.exe on 
startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Windows SRT Client
winsrt.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows SRT Client
winsrt.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
Windows SRT Client
winsrt.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Windows SRT Client
winsrt.exe

Registry entries are set as follows:

HKCU\SYSTEM\CurrentControlSet\Control\Lsa
Windows SRT Client
winsrt.exe

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
Windows SRT Client
winsrt.exe

HKCU\Software\Microsoft\OLE
Windows SRT Client
winsrt.exe

HKLM\SOFTWARE\Microsoft\Ole
Windows SRT Client
winsrt.exe





Name   Troj/Raker-B

Type  
    * Trojan

Affected operating systems  
    * Windows

Side effects  
    * Drops more malware
    * Installs itself in the Registry

Prevalence (1-5) 2

Description
Troj/Raker-B is a Trojan for the Windows platform.

Advanced
Troj/Raker-B is a Trojan for the Windows platform.

When first run Troj/Raker-B copies itself to \msjcf.exe and 
may drop a randomly named component which it will then load.

Troj/Raker-B may set the following registry entry so as to auto-start:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
MSOffice32
\msjcf.exe

Troj/Raker-B will attempt to inject a DLL into the explorer process.





Name   W32/Hazif-C

Type  
    * Spyware Worm

Affected operating systems  
    * Windows

Side effects  
    * Turns off anti-virus applications
    * Steals information
    * Reduces system security
    * Installs itself in the Registry

Prevalence (1-5) 2

Description
W32/Hazif-C is a password stealing worm for the Windows platform.

W32/Hazif-C can spread to the floppy drive with a preconfigured 
filename.

W32/Hazif-C can be used to steal passwords for Yahoo Instant 
Messenger and can be preconfigured to send stolen passwords via 
email, Yahoo IM, or by accessing a remote URL.





Name   W32/Brontok-J

Type  
    * Worm

How it spreads  
    * Email messages

Affected operating systems  
    * Windows

Side effects  
    * Sends itself to email addresses found on the infected computer
    * Modifies data on the computer
    * Installs itself in the Registry

Aliases  
    * W32.Rontokbro{at}mm
    * Email-Worm.Win32.Brontok.c

Prevalence (1-5) 2

Description
W32/Brontok-J is an email worm for the Windows platform.

W32/Brontok-J attempts to send itself to email addresses harvested 
from the computer. It will also attempt to modify various Windows 
Explorer settings.

W32/Brontok-J will restart the computer if it finds a window title 
containing certain strings such as ".EXE".

Advanced
W32/Brontok-J is a email worm for the Windows platform.

W32/Brontok-J attempts to send itself to email addresses harvested 
from the computer. It will also attempt to modify various Windows 
Explorer settings.

W32/Brontok-J will restart the computer if it finds a window title 
containing certain strings such as ".EXE".

When first run W32/Brontok-J copies itself to:

\Local Settings\Application Data\br4941on.exe
\Local Settings\Application Data\csrss.exe
\Local Settings\Application Data\inetinfo.exe
\Local Settings\Application Data\lsass.exe
\Local Settings\Application Data\services.exe
\Local Settings\Application Data\smss.exe
\Local Settings\Application Data\svchost.exe
\Start Menu\Startup\Empty.pif
\KesenjanganSosial.exe
\ShellNew\RakyatKelaparan.exe
\cmd-brontok.exe

W32/Brontok-J will drop various files in My Docuement\My Pictures 
folder with message from the virus writer.

The following registry entries are created to run br4941on.exe and 
RakyatKelaparan.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Tok-Cirrhatus-1959
\Local Settings\Application Data\br4941on.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Bron-Spizaetus
\ShellNew\RakyatKelaparan.exe

The following registry entry is changed to run KesenjanganSosial.exe 
on startup:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe "\KesenjanganSosial.exe"

(the default value for this registry entry is "Explorer.exe" which 
causes the Microsoft file \Explorer.exe to be run on startup).

The following registry entry is set, disabling the registry editor 
(regedit):

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableRegistryTools
1

Registry entries are set as follows:

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
NoFolderOptions
1

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableCMD
0

HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Hidden
0

HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
HideFileExt
1

HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
ShowSuperHidden
0





Name   Troj/Spyaks-B

Type  
    * Trojan

Affected operating systems  
    * Windows

Side effects  
    * Downloads code from the internet

Prevalence (1-5) 2

Description
Troj/Spyaks-B is a Trojan for the Windows platform.

The Trojan downloads and installs additional files from a remote site.

Troj/Spyaks-B may create popup alerts with the title "Your computer 
is infected!" and the message text:

"Dangerous malware infection was detected on your PC
The system will now download and install most efficient anti malware 
program to prevent data loss and your private information theft.
Click here to protect your computer from the biggest malware threats."





Name   Troj/DownLdr-LA

Type  
    * Trojan

Affected operating systems  
    * Windows

Side effects  
    * Drops more malware
    * Downloads code from the internet
    * Installs itself in the Registry
    * Leaves non-infected files on computer

Aliases  
    * Trojan-Downloader.Win32.Small.ccm
    * Downloader-ASE

Prevalence (1-5) 2

Description
Troj/DownLdr-LA is a Trojan for the Windows platform.

Troj/DownLdr-LA includes functionality to access the internet and 
communicate with a remote server via HTTP.

Advanced
Troj/DownLdr-LA is a Trojan for the Windows platform.

Troj/DownLdr-LA includes functionality to access the internet and 
communicate with a remote server via HTTP.

When first run Troj/DownLdr-LA copies itself to \bum.exe 
and creates the file \tio.dll where  are random 
numbers.

The following registry entry is created to run bum939.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
rscn
\bum.exe ymmud

Troj/DownLdr-LA inserts the DLL component into the Internet Explorer 
process space.





Name   Troj/DownLdr-LW

Type  
    * Trojan

Affected operating systems  
    * Windows

Side effects  
    * Downloads code from the internet
    * Exploits system or software vulnerabilities

Aliases  
    * Exploit.Win32.Agent.t
    * Exploit-WMF trojan

Prevalence (1-5) 2

Description
Troj/DownLdr-LW is a Windows Metafile (WMF) file which exploits a 
vulnerability allowing the download and execution of an EXE file from 
a remote URL.

At the time of writing, the downloaded file was Troj/DownLdr-LA.





Name   W32/Rbot-BGH

Type  
    * Worm

How it spreads  
    * Network shares

Affected operating systems  
    * Windows

Side effects  
    * Allows others to access the computer
    * Installs itself in the Registry
    * Exploits system or software vulnerabilities

Aliases  
    * Backdoor.Win32.Rbot.gen
    * WORM_RBOT.GEN

Prevalence (1-5) 2

Description
W32/Rbot-BGH is a worm with backdoor functionality for the Windows 
platform.

W32/Rbot-BGH spreads to other network computers by exploiting common 
buffer overflow vulnerabilities, including: LSASS (MS04-011), 
RPC-DCOM (MS04-012), WKS (MS03-049) (CAN-2003-0812), PNP (MS05-039) 
and ASN.1 (MS04-007) and by copying itself to network shares 
protected by weak passwords.

W32/Rbot-BGH runs continuously in the background, providing a 
backdoor server which allows a remote intruder to gain access and 
control over the computer via IRC channels.

Advanced
W32/Rbot-BGH is a worm with backdoor functionality for the Windows 
platform.

W32/Rbot-BGH spreads to other network computers by exploiting common 
buffer overflow vulnerabilities, including: LSASS (MS04-011), 
RPC-DCOM (MS04-012), WKS (MS03-049) (CAN-2003-0812), PNP (MS05-039) 
and ASN.1 (MS04-007) and by copying itself to network shares 
protected by weak passwords.

W32/Rbot-BGH runs continuously in the background, providing a 
backdoor server which allows a remote intruder to gain access and 
control over the computer via IRC channels.

When first run W32/Rbot-BGH copies itself to \sysmsn.exe.

The following registry entries are created to run sysmsn.exe on 
startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
AdobeReaderPros
sysmsn.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
AdobeReaderPros
sysmsn.exe

The following registry entry is set:

HKCU\Software\Microsoft\OLE
AdobeReaderPros
sysmsn.exe





Name   W32/Loosky-M

Type  
    * Worm

How it spreads  
    * Email attachments

Affected operating systems  
    * Windows

Side effects  
    * Installs itself in the Registry

Aliases  
    * Trojan-Dropper.Win32.Agent.afj

Prevalence (1-5) 2

Description
W32/Loosky-M is a worm for the Windows platform.

Advanced
W32/Loosky-M is a worm for the Windows platform.

When first run W32/Loosky-M copies itself to \sachostx.exe 
and creates
the following files:

\attrib.ini
\hard.lck
\msvcrl.dll
\sachostc.exe
\sachostp.exe
\sachosts.exe
\sachostw.exe

The following registry entry is created to run sachostx.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HostSrv
\sachostx.exe





Name   Troj/Feutel-B

Type  
    * Spyware Trojan

Affected operating systems  
    * Windows

Side effects  
    * Allows others to access the computer
    * Reduces system security
    * Records keystrokes
    * Installs itself in the Registry

Aliases  
    * Backdoor.Win32.Hupigon.j

Prevalence (1-5) 2

Description
Troj/Feutel-B is a backdoor Trojan for the Windows platform.

Troj/Feutel-B connects to the internet and attempts to download 
configuration files from preconfigured sites. The Trojan installs a 
keylogging component and opens up a backdoor allowing unauthorized 
remote access to the infected computer.

Advanced
Troj/Feutel-B is a backdoor Trojan for the Windows platform.

Troj/Feutel-B connects to the internet and attempts to download 
configuration files from preconfigured sites. The Trojan installs a 
keylogging component and opens up a backdoor allowing unauthorized 
remote access to the infected computer.

When first run Troj/Feutel-B copies itself to \svchost.exe 
or \sb.exe. and creates the following files:

\svchost.dll
\svchost_hook.dll
\

or:

\SBKey.DLL
\SB_Hook.DLL
\sb.dll
\uninstal.bat

The dll files are also detected as Troj/Feutel-B.

Troj/Feutel-B may create the following registry entry in order to run 
automatically on computer login:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
svchost.exe =
svchost.exe

On NT-based versions of Windows (NT,2000,XP) svchost.exe is 
registered as a service process called Webservice with a displayname 
of "Webservice" and a start-type of automatic so that the Trojan is 
run automatically on computer login. Registry entries are created under

HKLM\SYSTEM\CurrentControlSet\Services\Webservice
and
HKLM\SYSTEM\CurrentControlSet\Services\mchInjDrv

Troj/Feutel-B also sets the following registry entry:

HKCU\Software\Microsoft\Internet Explorer\Main\
Check_Associations =
"no"





Name   W32/Nosun-A

Type  
    * Virus

How it spreads  
    * Infected files

Affected operating systems  
    * Windows

Prevalence (1-5) 2

Description
W32/Nosun-A is a virus for the Windows platform.

On the 23rd of any month it displays the message :
"I hate love, i love hate!"

On Sundays it displays the message :
"Your computer refuses to execute that program on sundays."

Advanced
W32/Nosun-A is a virus for the Windows platform.

On the 23rd of any month it displays the message :
"I hate love, i love hate!"

On Sundays it displays the message :
"Your computer refuses to execute that program on sundays."

When the virus runs it creates a copy of the original, uninfected, 
file in the current folder as scheidenplatz.exe. This file is run and 
then deleted by the virus.





Name   W32/Mytob-GK

Type  
    * Worm

How it spreads  
    * Email messages

Affected operating systems  
    * Windows

Side effects  
    * Turns off anti-virus applications
    * Allows others to access the computer
    * Sends itself to email addresses found on the infected computer
    * Reduces system security
    * Installs itself in the Registry
    * Used in DOS attacks

Prevalence (1-5) 2

Description
W32/Mytob-GK is an mass-mailing worm with backdoor functionality for 
the Windows platform.

W32/Mytob-GK runs continuously in the background, providing a 
backdoor server which allows a remote intruder to gain access and 
control over the computer via IRC channels.

W32/Mytob-GK spreads by sending itself as an attachment to the email 
addresses harvested from files on the infected computer and from the 
Windows address book.

Advanced
W32/Mytob-GK is a mass-mailing worm with backdoor functionality for 
the Windows platform.

W32/Mytob-GK runs continuously in the background, providing a 
backdoor server which allows a remote intruder to gain access and 
control over the computer via IRC channels.

W32/Mytob-GK spreads by sending itself as an attachment to the email 
addresses harvested from files on the infected computer and from the 
Windows address book.

When installed W32/Mytob-GK attempts to copy itself to the \winsvc32.exe file.

The following registry entries are set to run winsvc32.exe at the 
restart:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Windows Services32
winsvc32.exe

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
ServicesWindows Services32
winsvc32.exe

W32/Mytob-GK sets the following registry entries, disabling the 
automatic startup of other software:

HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess
Start
4

Note: disabling autostart for the SharedAccess service deactivates 
the Microsoft Internet Connection Firewall (ICF).

W32/Mytob-GK attempts to terminate the anti-virus related processes.

W32/Mytob-GK also modifies the Windows HOSTS file in an attempt to 
prevent access to the following sites:

antivir.com
avast.com
avg.com
avira.com
avp.com
bitdefender.com
ca.com
cert.org
clamav.net
customer.symantec.com
dispatch.mcafee.com
download.mcafee.com
drweb.com
f-prot.com
f-secure.com
fortinet.com
fortinet.net
free-av.com
free.grisoft.com
grisoft.com
housecall.trendmicro.com
kaspersky-labs.com
kaspersky.com
mast.mcafee.com
mcafee.com
my-etrust.com
nai.com
networkassociates.com
nod32.com
norton.com
pandasoftware.com
quickheal.com
rads.mcafee.com
ravantivirus.com
sarc.com
secure.nai.com
securityresponse.symantec.com
service.symantec.com
service1.symantec.com
sophos.com
symantec.com
trendmicro.com
us.mcafee.com
vil.nai.com
viruslist.com
virustotal.com
www.antivir.com
www.avast.com
www.avg.com
www.avira.com
www.avp.com
www.bitdefender.com
www.ca.com
www.cert.org
www.clamav.net
www.drweb.com
www.f-prot.com
www.f-secure.com
www.fortinet.com
www.fortinet.net
www.free-av.com
www.grisoft.com
www.kaspersky-labs.com
www.kaspersky.com
www.mcafee.com
www.my-etrust.com
www.nai.com
www.networkassociates.com
www.nod32.com
www.norton.com
www.pandasoftware.com
www.quickheal.com
www.ravantivirus.com
www.sarc.com
www.sophos.com
www.symantec.com
www.trendmicro.com
www.viruslist.com
www.virustotal.com





Name   W32/Sdbot-AKZ

Type  
    * Worm

How it spreads  
    * Network shares

Affected operating systems  
    * Windows

Side effects  
    * Allows others to access the computer
    * Installs itself in the Registry

Aliases  
    * W32/Sdbot.worm.gen.l

Prevalence (1-5) 2

Description
W32/Sdbot-AKZ is a worm with backdoor functionality for the Windows 
platform.

W32/Sdbot-AKZ runs continuously in the background, providing a 
backdoor server which allows a remote intruder to gain access and 
control over the computer via IRC channels.

Advanced
W32/Sdbot-AKZ is a worm with backdoor functionality for the Windows 
platform.

W32/Sdbot-AKZ runs continuously in the background, providing a 
backdoor server which allows a remote intruder to gain access and 
control over the computer via IRC channels.

When first run W32/Sdbot-AKZ copies itself to \spoolss.exe.

The following registry entries are created to run spoolss.exe on 
startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
AdobeReaderPro
spoolss.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
AdobeReaderPro
spoolss.exe

The following registry entry is set:

HKCU\Software\Microsoft\OLE
AdobeReaderPro
spoolss.exe

 
--- MultiMail/Win32 v0.43