Fix it immediately!
Manual removal instructions:
We checked some samples of TWUNK.EXE and detected the file TWUNK.EXE as threat.
Remove the TWUNK.EXE from your computer right now.
Removal tool: http://www.unhackme.com
TWUNK.EXE Information and Removal:
TWUNK.EXE is known as: Trojan.Win32.Pasta [Ikarus] packed with UPX [Kaspersky Lab].
MD5 of TWUNK.EXE = 1EE3722D5A360252DEFD318AFD663E87
TWUNK.EXE size is 285184 bytes.
Full path on a computer: %PROGRAMFILES%\COMMON FILES\TWUNK.EXE
UnHackMe anti-rootkit and anti-malware
Premium software: RegRun Security Suite (Good choice for removal and protection)