Trojan.Win32.Sasfis.xtf

Technical Details
Payload
Removal instructions

Technical Details

This Trojan delivers a malicious payload to the user's computer. It is a Windows application (PE EXE file). It is 19 968 bytes in size. It is written in C++.

Payload

Once launched, the Trojan decrypts and extracts the following file from its body to the current user's temporary directory:

%Temp%<rnd1>.tmp

where <rnd1> is a random set of numbers and letters.

This file is 25 601 bytes in size. It is detected by Kaspersky Anti-Virus as Backdoor.Win32.Bredavi.bwq.

Then, the Trojan loads the extracted file to its address space and launches the malicious code contained within it.

Removal instructions

If your computer does not have an antivirus, and is infected by this malicious program, follow the instructions below to delete it:

1. Delete the original Trojan file (its location will depend on how the program originally penetrated the infected computer).
2. Delete the following files:

   %Temp%\<rnd1>.tmp

   where <rnd1> is a random set of numbers and letters.
3. Perform a full scan of the computer using Kaspersky Anti-Virus with up-to-date antivirus databases (download a trial version).