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Virus:WORM/Pushbot.C.46
Date discovered:25/07/2011
Type:Worm
In the wild:No
Reported Infections:Low
Distribution Potential:Medium
Damage Potential:Medium
Static file:Yes
File size:38.400 Bytes
MD5 checksum:BBDB5B9C0BBE5C73F657E3934C3FCE89
VDF version:7.11.12.87 - Monday, July 25, 2011
IVDF version:7.11.12.87 - Monday, July 25, 2011

 General Methods of propagation:
   • Autorun feature
   • Messenger


Aliases:
   •  Kaspersky: IM-Worm.Win32.Zeroll.g
   •  Bitdefender: Trojan.FakeAlert.CNB
   •  AhnLab: Win32/Pushbot.worm.38400


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7


Side effects:
   • Third party control
   • Lowers security settings
   • Registry modification
   • Steals information

 Files It copies itself to the following location:
   • %APPDATA%\HEX-5823-6893-6818\jutched.exe

 Registry The following registry key is added in order to run the process after reboot:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Java Update Manager"="%APPDATA%\HEX-5823-6893-6818\jutched.exe"



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

– [HKLM\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\
   FirewallPolicy\StandardProfile\AuthorizedApplications\List]
   • "%APPDATA%\HEX-5823-6893-6818\jutched.exe"="%APPDATA%\HEX-5823-6893-6818\jutched.exe:*:Enabled:Java
      Update Manager"

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

– AIM Messenger
– Windows Live Messenger

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

Server: **********solution.nicaze.net
Port: 1866
Nickname: %random character string%



– This malware has the ability to collect and send the following information:
    • Cached passwords


– Furthermore it has the ability to perform actions such as:
    • Download file
    • Execute file
    • Join IRC channel
    • Perform DDoS attack
    • Send emails
    • Start spreading routine
    • Updates itself

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


Encryption:
Encrypted - The virus code inside the file is encrypted.

Description inserted by Andrei Ilie on Monday, October 3, 2011
Description updated by Andrei Ilie on Tuesday, October 4, 2011

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