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Trojan-Downloader:JS/Psyme.CK

Classification

Category:

Malware

Type:

Trojan-downloader

Aliases:

  • Trojan-Downloader:JS/Psyme.CK

Summary

Trojan-Downloader:JS/Psyme.CK exploits vulnerabilities found in the affected system and also redirects to other sites. It then attempts to download and execute a binary from a specific URL.

Removal

Technical Details

Trojan-Downloader:JS/Psyme.CK exploits vulnerabilities in Microsoft Data Access Components (MDAC) (MS06-014), Baofeng Storm MPS.StormPlayer.1 ActiveX control, PPStream PowerPlayer ActiveX control, and Baidu Soba ActiveX control. It uses the vulnerabilities in order to redirect to other sites.Psyme.CK redirects to the following URLs:

  • http://9gg.biz/0614.js
  • http://9gg.biz/MPS.js
  • http://9gg.biz/PowerPlayerCtrl.js

A function from the Baidu Soba ActiveX control is exploited to download the following CAB file to the Windows Internet Explorer temporary directory:

  • http://9gg.biz/4.CAB

It then extracts and executes the file bd.exe, which is contained within the CAB file.Note: The URLs were offline during our investigations.

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