Categories: Trojan

Win32/TrojanDownloader.Autoit.OUZ removal tips

The Win32/TrojanDownloader.Autoit.OUZ 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/TrojanDownloader.Autoit.OUZ virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Attempts to modify proxy settings
  • Harvests cookies for information gathering

How to determine Win32/TrojanDownloader.Autoit.OUZ?


File Info:

name: 885AA5EF8CA95861BA2D.mlwpath: /opt/CAPEv2/storage/binaries/948adf2c5993a386e87443d304e80e4b12b8ff7f67eea2904fd10e80c975c6b6crc32: A7AC054Dmd5: 885aa5ef8ca95861ba2debbd5084364csha1: 17888b4f216ab5006b7c52b34228024d8fa50435sha256: 948adf2c5993a386e87443d304e80e4b12b8ff7f67eea2904fd10e80c975c6b6sha512: 3c638e5d028ae5b6b1db7a6a815a5b8d9b083e4cb9fb988099d956ab8e027c96b811c26adfb065c26c3ddb9648b269fa74af18acb43922fd2f304c9c35652edcssdeep: 24576:ICdxte/80jYLT3U1jfsWavupEldDTASONuRfvHRmlLi78dSQ:Bw80cTsjkWavdldJRfAHtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E255CF2273DDC370CB669173BF69B7016EBF78610630B85B2F880D7DA950162266DB63sha3_384: 1fbd30206d3f1cf72a0370bf2572310d53d17cd7ace6988f137b73a644f67eeba613d58a1de864dc220846f84ea09885ep_bytes: e8b8d00000e97ffeffffcccccccccccctimestamp: 2018-10-10 06:45:51

Version Info:

Translation: 0x0809 0x04b0

Win32/TrojanDownloader.Autoit.OUZ also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.KillProc.56685
FireEye Generic.mg.885aa5ef8ca95861
McAfee Artemis!885AA5EF8CA9
Cylance Unsafe
Sangfor Virus.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanDownloader:Win32/Generic.876e065e
K7GW Trojan ( 005642691 )
K7AntiVirus Trojan ( 005642691 )
Cyren W32/AutoIt.VI.gen!Eldorado
ESET-NOD32 a variant of Win32/TrojanDownloader.Autoit.OUZ
TrendMicro-HouseCall TROJ_GEN.R002H0CLF21
Paloalto generic.ml
NANO-Antivirus Trojan.Win32.KillProc.fjaxpc
Avast FileRepMalware [Misc]
Comodo Malware@#a3v01jyn7dec
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
Sophos Mal/Generic-S
Ikarus Trojan-Downloader.Win32.AutoIt
Avira HEUR/AGEN.1245832
Microsoft Trojan:Win32/Occamy.C94
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Nymeria.C3441860
VBA32 Trojan.Autoit.F
Malwarebytes MachineLearning/Anomalous.100%
APEX Malicious
Rising Trojan.Obfus/Autoit!1.C774 (CLASSIC)
Fortinet W32/Autoit.QJ!tr
AVG FileRepMalware [Misc]
Cybereason malicious.f216ab

How to remove Win32/TrojanDownloader.Autoit.OUZ?

  • 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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