Categories: Malware

Troj/AutoIt-CMZ removal

The Troj/AutoIt-CMZ 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 Troj/AutoIt-CMZ virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • A ping command was executed with the -n argument possibly to delay analysis
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Behavioural detection: Injection (inter-process)
  • Created a process from a suspicious location
  • Installs itself for autorun at Windows startup
  • CAPE detected the Remcos malware family
  • Creates a copy of itself
  • Creates known Remcos mutexes
  • Creates known Remcos registry keys
  • Anomalous binary characteristics

How to determine Troj/AutoIt-CMZ?


File Info:

name: 92A33E87520848EA7418.mlwpath: /opt/CAPEv2/storage/binaries/e051910d20871f96f92422d46152a75360aeacf3193a6b856f0193113d75b5dfcrc32: A8BDAE2Amd5: 92a33e87520848ea7418d156e55d484bsha1: b4169a3f999e14d7dd9d34307862b89316a655f6sha256: e051910d20871f96f92422d46152a75360aeacf3193a6b856f0193113d75b5dfsha512: f1db4e59acbba92491a2a5cb2a89f83a710f33c0426808f58c38ab54bd7b166f74b186cd8fc22a7821fd0b0be4cb68d60731ef5f25590d925d5e1c687786c935ssdeep: 24576:QAHnh+eWsN3skA4RV1Hom2KXFmIalKCc9GS59:Hh+ZkldoPK1XalKCc9n9type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T178259D0273D1C036FFABA2739B6AF24556BD79354123852F13981DB9BD701B2263E623sha3_384: fc46ce060b14027f4cc5d98805863e4cd446871363b5a4a445f218d8bdef8993c0e58d8f8ba0e7e6861ba9970a31d936ep_bytes: e8c8d00000e97ffeffffcccccccccccctimestamp: 2019-05-30 10:20:13

Version Info:

Translation: 0x0809 0x04b0

Troj/AutoIt-CMZ also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.Packed2.41759
MicroWorld-eScan Trojan.GenericKD.32026646
FireEye Generic.mg.92a33e87520848ea
CAT-QuickHeal Trojan.AutoIt.AitInject.ZZ
McAfee Trojan-AitInject.aq
Cylance Unsafe
K7AntiVirus Trojan ( 0054f1021 )
K7GW Trojan ( 0054f1021 )
Cybereason malicious.752084
BitDefenderTheta AI:Packer.9A3D7CD617
VirIT Trojan.Win32.AutoIT.CGKK
Cyren W32/AutoIt.QF.gen!Eldorado
Symantec Packed.Generic.548
ESET-NOD32 a variant of Win32/Injector.Autoit.DZK
ClamAV Win.Malware.Remcos-6985942-1
Kaspersky Trojan-Downloader.Win32.AutoIt.aop
BitDefender Trojan.GenericKD.32026646
NANO-Antivirus Trojan.Script.Downloader.iuwddd
Avast AutoIt:Injector-JF [Trj]
Tencent Malware.Win32.Gencirc.10b4d525
Ad-Aware Trojan.GenericKD.32026646
Emsisoft Trojan.GenericKD.32026646 (B)
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.th
Sophos Troj/AutoIt-CMZ
Ikarus Trojan.Autoit
GData Trojan.GenericKD.32026646
Avira DR/AutoIt.Gen8
MAX malware (ai score=85)
Antiy-AVL Trojan/Generic.ASCommon.151
Arcabit Trojan.Generic.D1E8B016
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/AutoInj.Exp
VBA32 Trojan.Autoit.F
ALYac Trojan.GenericKD.32026646
Malwarebytes Trojan.MalPack.Generic
APEX Malicious
Rising PUF.Pack-AutoIt!1.B8E7 (CLASSIC)
MaxSecure Win.MxResIcn.Heur.Gen
Fortinet AutoIt/Injector.DZH!tr
AVG AutoIt:Injector-JF [Trj]
CrowdStrike win/malicious_confidence_70% (D)

How to remove Troj/AutoIt-CMZ?

  • 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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