Full description

Virus:	TR/Meredrop.A.6817
Date discovered:	29/03/2010
Type:	Trojan
Subtype:	Dropper
In the wild:	Yes
Reported Infections:	Low to medium
Distribution Potential:	Low to medium
Damage Potential:	Low to medium
Static file:	Yes
File size:	229.888 Bytes
MD5 checksum:	b82fe8cf56b26e2ab356c0731ad1290b
IVDF version:	7.10.05.248 - Monday, March 29, 2010

General Method of propagation:
   • Autorun feature

Aliases:
   • Panda: W32/Autorun.JYG
   • Eset: Win32/AutoRun.Agent.VO
   • Bitdefender: Win32.Worm.Palevo.AN

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

Side effects:
   • Drops malicious files
   • Registry modification

Files It copies itself to the following location:
• %drive%\RECYCLER\S-11-7-07-1107-042981-1107\autorun.exe

The following files are created:

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

– %HOME%\Application Data\driveraudio.exe

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

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
• "DriverAudio"=""%HOME%\Application Data\driveraudio.exe""

The following registry key is added:

– [HKCU\SOFTWARE\kk]
• "NI"="OK"

Backdoor The following port is opened:

– dns.pho**********.net on TCP port 1024

Injection – It injects itself as a remote thread into a process.

Process name:
• explorer.exe

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

说明添加者： Petre Galan 打开 2010年7月7日星期三
说明更新者： Petre Galan 打开 2010年7月7日星期三

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