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Virus:WORM/Palevo.abc
Date discovered:19/08/2011
Type:Worm
In the wild:Yes
Reported Infections:Low
Distribution Potential:Medium to high
Damage Potential:Medium
Static file:Yes
File size:266.240 Bytes
MD5 checksum:38771EBCABCBE8BEA7D00D2E8232BAC7
VDF version:7.11.13.154 - Friday, August 19, 2011
IVDF version:7.11.13.154 - Friday, August 19, 2011

 General Methods of propagation:
    Autorun feature
    Messenger


Aliases:
   •  Kaspersky: Trojan.Win32.VBKrypt.fbnw
     Microsoft: Worm:Win32/Dorkbot.I
AhnLab: Trojan/Win32.VBKrypt


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003
    Windows Vista
    Windows 7


Side effects:
   • Drops files
   • Registry modification

 Files It copies itself to the following location:
   • %APPDATA%\%random character string%.exe



It deletes the initially executed copy of itself.

 Registry One of the following values is added in order to run the process after reboot:

  [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "%random character string%"="%APPDATA%\%random character string%.exe"

 Messenger It is spreading via Messenger. The characteristics are described below:

Windows Live Messenger

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

Server: **********hmoney.biz
Port: 4042
Nickname: %random character string%

Server: **********therebitch.com
Port: 4042
Nickname: %random character string%



 This malware has the ability to collect and send information such as:
    • Username
    • Information about the Windows operating system


 Furthermore it has the ability to perform actions such as:
     connect to IRC server
     disconnect from IRC server
    • Join IRC channel
    • Leave IRC channel
    • Perform DDoS attack

 Injection  It injects itself as a remote thread into processes.

    Process name:
   • %random process%


 Miscellaneous Anti debugging
Checks for debugger or virtual machine using time related techniques.

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

说明添加者: Andrei Ilie 打开 2011年10月26日星期三
说明更新者: Andrei Ilie 打开 2011年10月31日星期一

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