Trojan.Win32.MicroFake

Parent class: TrojWare

Trojans are malicious programs that perform actions which are not authorized by the user: they delete, block, modify or copy data, and they disrupt the performance of computers or computer networks. Unlike viruses and worms, the threats that fall into this category are unable to make copies of themselves or self-replicate. Trojans are classified according to the type of action they perform on an infected computer.

Class: Trojan

A malicious program designed to electronically spy on the user’s activities (intercept keyboard input, take screenshots, capture a list of active applications, etc.). The collected information is sent to the cybercriminal by various means, including email, FTP, and HTTP (by sending data in a request).

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Platform: Win32

Win32 is an API on Windows NT-based operating systems (Windows XP, Windows 7, etc.) that supports execution of 32-bit applications. One of the most widespread programming platforms in the world.

Description

After launching, the trojan uses the system utility "sc.exe" to carry out the following command sequence:

sc.exe config wuauserv start= auto



sc.exe config BITS start= demand



sc.exe stop wuauserv



sc.exe config BITS start= disabled



sc.exe config wuauserv start= disabled

This stops and cancels the automatic launch of the "wuauserv" service (Windows Automatic Update service), and also cancels the automatic launch of the "BITS" service (Background Intelligent Transfer Service). The trojan then opens the following resource in the Internet Explorer browser:

http://windo***pdate.microsoft.com

The trojan then shuts down.

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