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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.

説明の挿入者 Petre Galan の 2010年5月28日金曜日
説明の更新者 Andrei Ivanes の 2010年6月4日金曜日

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