Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Downloaded from the Internet
This malware downloads a malicious script detected as HTML_BLOCKER.K, which is used to send the Facebook messages with the link to the video.
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.
22 Jan 2014
Connects to URLs/IPs, Downloads files
This Trojan may be downloaded from the following remote site(s):
It may be downloaded from remote site(s) by the following malware:
This Trojan connects to the following website(s) to download and execute a malicious file:
It connects to the following URL(s) to download its configuration file:
This Trojan s configuration file contains the following information:
It prevents Chrome from accessing the following URLs:
It also prevents Chrome from accessing the Extensions page by closing tabs with the following strings:
23 Jan 2014
23 Jan 2014
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Remove the malware/grayware file that dropped/downloaded JS_BLOCKER.J
Remove malware/grayware files dropped/downloaded by JS_BLOCKER.J
Close all opened browser windows
Scan your computer with your Trend Micro product to delete files detected as JS_BLOCKER.J. 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.