Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
This malware is a PowerShell scripting file that downloads and launches the final payload BKDR_PRESHIN.JTT.
To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.
This Trojan may be downloaded from remote sites by other malware.
It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
This Trojan may be downloaded from remote site(s) by the following malware:
This Trojan accesses the following websites to download files:
It saves the files it downloads using the following names:
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Remove malware/grayware files dropped/downloaded by TROJ_PRESHIN.JTT. (Note: Please skip this step if the threats listed below have already been removed.)
Scan your computer with your Trend Micro product to delete files detected as TROJ_PRESHIN.JTT. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.