For Home

Virus Profile: FakeAlert-SysDef.ae

Threat Search
Print
   
Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 5/9/2012
Date Added: 5/9/2012
Origin: N/A
Length: varies
Type: Trojan
Subtype: Win32
DAT Required: N/A
Removal Instructions
   
 
 
   

Description

This is a Trojan detection. Unlike viruses, trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include email, malicious or hacked web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Aliases.

  • Kaspersky - HEUR:Trojan.Win32.Generic
  • NOD32 - a variant of Win32/Kryptik.AFNM
  • Ikarus  - Trojan.Win32.FakeSysdef
  • Microsoft - Trojan:Win32/FakeSysdef

     

Indication of Infection

Presence of above mentioned activities.

Methods of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, email spam, etc.
   

Virus Characteristics

-------------Updated on June 7, 2012-----------------------------------

  • Comodo      -  UnclassifiedMalware
  • Fortinet    -  W32/FakeAV.OZ!tr
  • NOD32       -  Win32/Adware.HDDRescue.AB
  • Symantec    -  Suspicious.Cloud.5

FakeAlert-SysDef.ae is a Trojan detection, which shows S.M.A.R.T. Repair of fake computer optimization and entice the users into buying a product to repair computer problems.

Upon execution the Trojan displays the following window

 

Upon execution the Trojan tries to connect to the following URL wha[Removed]ima.com through the port 80.

When executed the Trojan copies itself into the following location.

  • %AllUsersprofile%\Application Data\$5q_QsVfM.nc=lIK.exe

After execution, the Trojan deletes self from the compromised system.

The Trojan drops the files into the following location.

  • %AllUsersprofile%\Application Data\-9H'&ra6@
  • %AllUsersprofile%\Application Data\-9H'&ra6@r
  • %AllUsersprofile%\Application Data\9H'&ra6@
  • %AllUsersprofile%\Application Data\9H'&ra6@.exe

The Trojan drops the following shortcut files which triggers a Trojan file

  • %Userprofile%\Application Data\Microsoft\Internet Explorer\Quick Launch\Data_Recovery.lnk
  • %Userprofile%\Desktop\Data_Recovery.lnk
  • %Userprofile%\Start Menu\Programs\Data Recovery\Data Recovery.lnk
  • %Userprofile%\Start Menu\Programs\Data Recovery\Uninstall Data Recovery.lnk

The following registry entries have been added to the system.

  • HKEY_CURRENT_USER\S-1-(Varies)\Software\Software\Microsoft\Windows\CurrentVersion\Internet Settings\WarnonBadCertRecving: 0x00000000
  • HKEY_CURRENT_USER\S-1-(Varies)\Software\Software\Microsoft\Windows\CurrentVersion\Policies\Associations\LowRiskFileTypes: ".zip;.rar;.nfo;.txt;.exe;.bat;.com;.cmd;.reg;.msi;.htm;.html;.gif;.bmp;.jpg;.avi;.mpg;.mpeg;.mov;.mp3;.m3u;.wav;.scr;"
  • HKEY_CURRENT_USER\S-1-(Varies)\Software\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments\SaveZoneInformation: 0x00000001

Below mentioned registry ensures that, the Trojan registers itself with the compromised system and execute itself upon every boot.

  • HKEY_CURRENT_USER\S-1-(VARIES)\Software\Microsoft\GDIPlus\FontCachePath: "%Userprofile%\Local Settings\Application Data"

The following registry keys have been added to the system.

  • HKEY_CURRENT_USER\S-1-(Varies)\Software\Microsoft\Internet Explorer\Download
  • HKEY_CURRENT_USER\S-1-(Varies)\Software\Microsoft\Windows\CurrentVersion\Policies\Associations
  • HKEY_CURRENT_USER\S-1-(Varies)\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments
  • HKEY_CURRENT_USER\S-1-(VARIES)\Software\Microsoft\GDIPlus

Note: [%Userprofile%C:\Documents and Settings\Administrator],[ %Allusersprofile%C:\Documents and Settings\All Users]

 

 

   

All Users:
Use current engine and DAT files for detection and removal.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).