Threat Description

Trojan:​W32/AntiAV

Details

Aliases: Trojan:​W32/AntiAV, Gen:Trojan.Heur.RP.Mq0@ayDoNAeb Trojan.Win32.AntiAV.iup
Category: Malware
Type: Trojan
Platform: W32

Summary



A trojan, or trojan horse, is a seemingly legitimate program which secretly performs other, usually malicious, functions. It is usually user-initiated and does not replicate.



Removal



Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.



Technical Details



This malware is distributed in a RAR archive file attached to an e-mail message.

The archive file contains an executable file which may be detected as either Gen:Trojan.Heur.RP.Mq0@ayDoNAeb or Trojan.Win32.AntiAV.iup.

Installation

The executable file uses the icon of a Microsoft Word document to appear legitimate. On execution, the malware will drop a clean Word document and open it for viewing, to further deceive the user.

Meanwhile, the malware will create a registry launchpoint so that subsequently its file will be automatically run at every Windows startup:

  • HKLM\Software\Microsoft\Windows\CurrentVersion\Run common = (path of the malware)

Network connections

Once its file is active, the malware will attempt to connect to:

  • tokyonews.edns.biz
  • tokyoIP.freewww.info

The malware may also send information to an external party by a POST to an info.php page on a remote server.






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