ADSPY/Hoax.Renos.AG - Adware / Spyware

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Summary

Full description

Statistics

Virus:	ADSPY/Hoax.Renos.AG
Date discovered:	17/02/2006
Type:	Trojan
Subtype:	Adware
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Low to medium
Static file:	Yes
File size:	29.696 Bytes
MD5 checksum:	a5a84ed083f9cb0A46369c044eecab73
VDF version:	6.33.01.03 - Fri, 17 Feb 2006 10:53 (GMT+1)

General Method of propagation:
   • No own spreading routine

Aliases:
   • Mcafee: Downloader-AFH
   • Kaspersky: not-virus:Hoax.Win32.Renos.bm
   • Sophos: Troj/Spywad-AE
   • Bitdefender: Trojan.FakeAlert.SpySheriff.A

Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003

Side effects:
   • Downloads a file
   • Drops files
   • Registry modification

Right after execution the following information is displayed:

Files It copies itself to the following location:
   • C:\winstall.exe

The following files are created:

– Non malicious files:
   • C:\Program Files\SpySheriff\base.avd; c:\\program
      files\SpySheriff\base001.avd; C:\Program Files\SpySheriff\base002.avd;
      C:\Program Files\SpySheriff\found.wav; c:\\program
      files\SpySheriff\heur000.dll; C:\Program Files\SpySheriff\heur001.dll;
      C:\Program Files\SpySheriff\heur002.dll; c:\\program
      files\SpySheriff\heur003.dll; C:\Program Files\SpySheriff\notfound.wav;
      C:\Program Files\SpySheriff\removed.wav; c:\\program
      files\SpySheriff\SpySheriff.dvm; c:\\program
      files\SpySheriff\SpySheriff.exe; C:\Program Files\SpySheriff\Uninstall.exe

It tries to download a file:

– The location is the following:
   • otherhost.com/**********
It is saved on the local hard drive under: %home%\Application Data\Install.dat

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

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Windows installer"="C:\winstall.exe"
   • "pro" = "%malware execution directory%\%executed file%"

The value of the following registry key is removed:

– [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • pro

The following registry key including all values and subkeys is removed:
   • [HKCU\SOFTWARE\Install]

The following registry key is added:

– [HKCU\SOFTWARE\Install]
   • "Version" = dword:00000000

File details Programming language:
The malware program was written in MS Visual C++.

See a brief description here.

Description inserted by Daniel Constantin on Wed, 01 Mar 2006 10:07 (GMT+1)
Description updated by Daniel Constantin on Wed, 01 Mar 2006 15:38 (GMT+1)

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