Solved! Use OS2.EXE (Trojan Downloader) Removal Guide

I will tell you in this post how to fix the issue manually and how to clean it automatically using a special powerful removal tool. You can download the removal program for free here:

Manual removal instructions:

OS2.EXE – Trojan Downloader removal

File MD5 Virus Alias
OS2.EXE 4664ebdb07284881672d43bb6ce58b19 Trojan Downloader
OS2.EXE 4664ebdb07284881672d43bb6ce58b19 Trojan SuspiciousFile
OS2.EXE 4664ebdb07284881672d43bb6ce58b19 Trojan CI
OS2.EXE 4664ebdb07284881672d43bb6ce58b19 Worm Autoit
OS2.EXE 4664ebdb07284881672d43bb6ce58b19 Trojan Agent

OS2.EXE size: 416256 bytes
OS2.EXE hash: 4664EBDB07284881672D43BB6CE58B19

Created files:

D:\32Bit.exe
D:\64Bit.exe
D:\cert.exe
D:\OS2.exe

Detected by UnHackMe:

OS2.EXE
Default location: D:\OS2.EXE

Dropper information:
MD5: 4664ebdb07284881672d43bb6ce58b19
File size: 416256 bytes