Categories: Malware

What is “Perl/Shellbot.NAK”?

The Perl/Shellbot.NAK is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day free trial available.

What Perl/Shellbot.NAK virus can do?

  • Injection (inter-process)
  • Injection with CreateRemoteThread in a remote process
  • Uses Windows utilities for basic functionality
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • A potential decoy document was displayed to the user
  • Network activity detected but not expressed in API logs

How to determine Perl/Shellbot.NAK?


File Info:

crc32: 75FF3EB1md5: 4644c123c994744f4042222a22f1b33fname: tmp_rqi2ha4sha1: e861fc02b451e223ec042b35904c7fd3472f100esha256: e7deaa42c57249a7a925b31c9e5f9d18073556906bf930d178c30b76ee4aea63sha512: 64cf5fd992ab8fb5d057c4937a59e6ac880ef0f4663ec2814fdcf5018f4d0f4d623b7b5b8f134058227f56f39b2e43267cc06cb414fa2e6f75256b7a22ac68c6ssdeep: 768:73UgGAAMROJ3KbZcUMoEGZYFu+tVwU1LKCoEKh:7M/MNEtVwU1LgEKhtype: Perl script, ASCII text executable, with very long lines

Version Info:

0: [No Data]

Perl/Shellbot.NAK also known as:

ALYac Trojan.GenericKD.43222831
Arcabit Trojan.Generic.D293872F
ESET-NOD32 Perl/Shellbot.NAK
Kaspersky HEUR:Trojan-Downloader.Shell.Agent.e
BitDefender Trojan.GenericKD.43222831
MicroWorld-eScan Trojan.GenericKD.43222831
Rising Trojan.Shellbot!8.618 (TOPIS:E0:rAUFcqxEzCB)
Ad-Aware Trojan.GenericKD.43222831
Emsisoft Trojan.GenericKD.43222831 (B)
FireEye Trojan.GenericKD.43222831
AegisLab Trojan.Shell.Agent.a!c
ZoneAlarm HEUR:Trojan-Downloader.Shell.Agent.e
MAX malware (ai score=89)
GData Trojan.GenericKD.43222831
Qihoo-360 Generic/Trojan.Downloader.2f2

How to remove Perl/Shellbot.NAK?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

Recent Posts

MSIL/GenKryptik.GXIZ information

The MSIL/GenKryptik.GXIZ is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

Malware.AI.2789448175 (file analysis)

The Malware.AI.2789448175 is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

Jalapeno.1878 removal instruction

The Jalapeno.1878 is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

What is “Trojan.Heur3.LPT.YmKfaKBcBekib”?

The Trojan.Heur3.LPT.YmKfaKBcBekib is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

How to remove “Worm.Win32.Vobfus.exmt”?

The Worm.Win32.Vobfus.exmt is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

About “TrojanDownloader:Win32/Beebone.JO” infection

The TrojanDownloader:Win32/Beebone.JO is considered dangerous by lots of security experts. When this infection is active,…

2 months ago