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Virus:Worm/Palevo.acpy
Date discovered:02/08/2010
Type:Worm
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Medium
Static file:Yes
File size:104.961 Bytes
MD5 checksum:8b1a56f000c21c2ddeaab322c9afffba
IVDF version:7.10.10.45 - Monday, August 2, 2010

 General Method of propagation:
    Autorun feature


Aliases:
   •  Bitdefender: Trojan.Generic.KD.24818
   •  Panda: W32/IRCbot.CYM


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


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

 Files It copies itself to the following locations:
   • %drive%\brdva.exe
   • %TEMPDIR%\brdva.exe



The following files are created:

%drive%\autorun.inf This is a non malicious text file with the following content:
   • %code that runs malware%

%TEMPDIR%\explorer_cache22238.tmp



It tries to execute the following file:

Filename:
   • C:\Temp\brdva.exe

 Registry The following registry keys are added in order to run the processes after reboot:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Driver Control Manager v2.5"="%TEMPDIR%\brdva.exe"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Driver Control Manager v2.5"="%TEMPDIR%\brdva.exe"

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

Server: dghfg.duk**********.com
Port: 8888
Channel: #RaSTi27-s#
Nickname: {NOVA}[KURVA][USA][XP-SP3]%number%

 Miscellaneous Mutex:
It creates the following Mutex:
   • Jre5nF3QpCT0zv12

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Description inserted by Petre Galan on Wednesday, November 10, 2010
Description updated by Petre Galan on Wednesday, November 10, 2010

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