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Virus Profile: Generic Dropper!1qh

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 4/25/2012
Date Added: 4/25/2012
Origin: Unknown
Length: varies
Type: Trojan
Subtype: Dropper
DAT Required: 6813
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


  • Fortinet    -    W32/Demp.CEE!tr
  • Microsoft    -    Trojan:Win32/Bledoor.A
  • Symantec    -    Backdoor.Winnti.B
  • Norman    -    W32/Suspicious_Gen2.VHGFE (trojan)
  • Kaspersky    -    Trojan-Dropper.Win32.Winnti.a

Indication of Infection

Presence of above mentioned files and registry keys
Presence of unexpected connection to the above mentioned sites.

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

Generic Dropper!1qh” is detection for the Trojan drop Trojans or back doors, and then execute them.

Upon execution the Trojan tries to connect the below IP Address through remote port :80 in order to download other payloads

  • sshd.8[Removed].org
  • 67.198. [Removed].246
  • 246.161. [Removed].67

Upon execution the Trojan creates the following file to the below location

  • %Temp%\tmp143.tmp
  • %Temp%\tmp144.tmp
  • %Temp%\tem145.tmp.bat

The following registry keys values have been added to the system

HKey_Local_Machine\SOFTWARE\Microsoft\HTMLHelp\data: "TKVFP-XWYTY-AUFWH-RBJIK-FKMGR"
   

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).