Categories: Malware

Should I remove “Win32/Obfuscated.Autoit.A”?

The Win32/Obfuscated.Autoit.A 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.

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What Win32/Obfuscated.Autoit.A virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Drops a binary and executes it
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Looks up the external IP address
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Creates a copy of itself

Related domains:

z.whorecord.xyz
a.tomx.xyz
api.ipify.org
ocsp.usertrust.com
checkip.dyndns.org
ocsp.comodoca.com
crl.comodoca.com

How to determine Win32/Obfuscated.Autoit.A?


File Info:

crc32: 96506745md5: 857b1f5e9744006241fe2d0915dba201name: svchost.exesha1: 2e03639c773266c0c4a6bc3b536861cd161481c9sha256: c2f482c9d7059c913aff1c94c9ddc87d5662896e2dd94f34f642d9cac35510cbsha512: 9707c6ee50717e5c12c8cc9bc65cdb2eab2c32f98f8543326935970ce52ae6fb4dce7046de7d78d520ca53537145c8996589f7226b3dcf2acc2641b1cd809f7bssdeep: 12288:WKALZ0BNIM6IJqnW7NajBASLW/2y0B8lRX+C57Eu2poS7:WJ04M/qgajBAQU2yJRXWu2ntype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: xa9Microsoft Corporation. All rights reserved.FileVersion: 6.0.6001.18000CompanyName: MicrosoftComments: Windows Shell Common BinaryProductName: Microsoftxae Windowsxae Operating SystemProductVersion: 6.0.6001.18000FileDescription: Windows Shell Common BinaryTranslation: 0x0409 0x04b0

Win32/Obfuscated.Autoit.A also known as:

MicroWorld-eScan Gen:Trojan.Heur.AutoIT.2
CrowdStrike win/malicious_confidence_60% (D)
BitDefender Gen:Trojan.Heur.AutoIT.2
K7GW Trojan ( 700000111 )
K7AntiVirus Trojan ( 700000111 )
APEX Malicious
Avast JS:ScriptSH-inf [Trj]
GData Gen:Trojan.Heur.AutoIT.2
Kaspersky UDS:DangerousObject.Multi.Generic
Rising Malware.Heuristic!ET#92% (RDMK:cmRtazq1RJmUp0XeRoGR5BAM+xvQ)
Ad-Aware Gen:Trojan.Heur.AutoIT.2
Emsisoft Gen:Trojan.Heur.AutoIT.2 (B)
F-Secure Dropper.DR/AutoIt.Gen
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.hc
Trapmine suspicious.low.ml.score
FireEye Gen:Trojan.Heur.AutoIT.2
Avira DR/AutoIt.Gen
Antiy-AVL Trojan/Win32.Cossta
Endgame malicious (high confidence)
Arcabit Trojan.Heur.AutoIT.2
ZoneAlarm UDS:DangerousObject.Multi.Generic
Microsoft Trojan:Win32/Wacatac.C!ml
AhnLab-V3 Trojan/Win32.Agent.C4111007
MAX malware (ai score=81)
ESET-NOD32 Win32/Obfuscated.Autoit.A
BitDefenderTheta AI:Packer.44866B6B18
AVG JS:ScriptSH-inf [Trj]
Cybereason malicious.e97440

How to remove Win32/Obfuscated.Autoit.A?

  • 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.

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