Full description

Virus:	Worm/Palevo.wmh
Date discovered:	08/03/2010
Type:	Worm
In the wild:	Yes
Reported Infections:	Low to medium
Distribution Potential:	Low
Damage Potential:	Medium
Static file:	Yes
File size:	71.168 Bytes
MD5 checksum:	0c2b5024ba5b8d6900a8e07f459bdf2f
VDF version:	7.10.01.251
IVDF version:	7.10.04.235 - Monday, March 8, 2010

General Aliases:
   • Sophos: W32/Autorun-BBI
   • Panda: W32/Koobface.JK
   • Eset: Win32/Boberog.AK
   • Bitdefender: Worm.Generic.231036

Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003

Side effects:
   • Drops malicious files
   • Lowers security settings
   • Registry modification
   • Third party control

Files It copies itself to the following location:
• %WINDIR%\msnmgr.exe

The following file is created:

– C:\a.txt

It tries to executes the following file:

– Filename:
• "%WINDIR%\msnmgr.exe"

Registry It creates the following entry in order to bypass the Windows XP firewall:

– [HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
   FirewallPolicy\StandardProfile\AuthorizedApplications\List]
   • "%executed file%"="%executed file%:*:Enabled:Userinit"

The following registry key is changed:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   New value:
   • "Userinit"="%SYSDIR%\userinit.exe,%WINDIR%\msnmgr.exe"

IRC To deliver system information and to provide remote control it connects to the following IRC Server:

Server: b.msn**********.org
Port: 1234
Channel: #bb#
Nickname: n[USA|XP]%number%

File details Programming language:
The malware program was written in Delphi.

Description inserted by Petre Galan on vrijdag 28 mei 2010
Description updated by Andrei Ivanes on vrijdag 4 juni 2010

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