Categories: Trojan

Trojan:Win32/Ousetuu.A removal guide

The Trojan:Win32/Ousetuu.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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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.
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What Trojan:Win32/Ousetuu.A virus can do?

  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Behavioural detection: Injection (inter-process)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Trojan:Win32/Ousetuu.A?


File Info:

name: 2E1C7B4D9254E7EC9A3E.mlwpath: /opt/CAPEv2/storage/binaries/10a5a92b7e6864849a7ff8040f2a1ca2446595d121fc1cc05aaa84b9692f5fa1crc32: E2BF1EB8md5: 2e1c7b4d9254e7ec9a3e318d43d637d9sha1: 0a5b8e93ee9a9f3325edc9143837a46b72cb2128sha256: 10a5a92b7e6864849a7ff8040f2a1ca2446595d121fc1cc05aaa84b9692f5fa1sha512: 6c83757b94a31092e113b540917f130c21421156c56de7ce0541ba25ac95249abc3358fb22a796e9ff680b55d66708ce96ecf0a738c998ca4c69b22cc34f5cb2ssdeep: 12288:Utb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgakTaKql6A:Utb20pkaCqT5TBWgNQ7aEBql6Atype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18B25BF1373DE8360C3B25273BA65B701BEBF782506A5F56B2FD4093DE920122525EA73sha3_384: 8f3764dc64557db2f494a01024b853bae222692d5fe5e79c9c70a204c77c1aa840c5889d39f6ac0447fd483c6dfb0107ep_bytes: e86ace0000e97ffeffffcccc57568b74timestamp: 2014-10-23 16:53:49

Version Info:

Translation: 0x0809 0x04b0

Trojan:Win32/Ousetuu.A also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Inject.4!c
MicroWorld-eScan Win32.Worm.Autoit.JU
FireEye Win32.Worm.Autoit.JU
CAT-QuickHeal TrojanPWS.AutoIt.Zbot.S
McAfee Artemis!2E1C7B4D9254
Malwarebytes Generic.Malware/Suspicious
Sangfor Worm.Win32.Autoit.V44f
K7AntiVirus Riskware ( 0040eff71 )
Alibaba Trojan:Win32/Ousetuu.3fe7c5aa
K7GW Riskware ( 0040eff71 )
Cyren W32/Trojan.EGZN-5521
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/Injector.Autoit.BAK
APEX Malicious
Cynet Malicious (score: 99)
Kaspersky Trojan.Win32.Inject.temb
BitDefender Win32.Worm.Autoit.JU
NANO-Antivirus Trojan.Win32.Inject.djefcp
Avast Win32:Agent-AULK [Trj]
Tencent Win32.Trojan.Inject.Gjgl
Sophos Mal/Generic-S
F-Secure Trojan.TR/Drop.AutoIt.BAK
DrWeb Trojan.Siggen6.25803
VIPRE Win32.Worm.Autoit.JU
TrendMicro PAK_Otorun8
McAfee-GW-Edition BehavesLike.Win32.Ransomware.dh
Trapmine malicious.moderate.ml.score
Emsisoft Win32.Worm.Autoit.JU (B)
Ikarus Trojan.Win32.Inject
GData Win32.Worm.Autoit.JU
Webroot W32.Trojan.Gen
Avira TR/Drop.AutoIt.BAK
Antiy-AVL GrayWare/Autoit.BinToStr.a
Xcitium Malware@#1ebywgbgngo7z
Arcabit Win32.Worm.Autoit.JU
ZoneAlarm Trojan.Win32.Inject.temb
Microsoft Trojan:Win32/Ousetuu.A
Google Detected
BitDefenderTheta AI:Packer.330BDA6516
ALYac Win32.Worm.Autoit.JU
MAX malware (ai score=100)
VBA32 Trojan.Autoit.Paket
Cylance unsafe
Panda Trj/Chgt.J
Zoner Trojan.Win32.Autoit.27723
TrendMicro-HouseCall PAK_Otorun8
SentinelOne Static AI – Suspicious PE
Fortinet W32/Inject.TEMB!tr
AVG Win32:Agent-AULK [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_90% (W)

How to remove Trojan:Win32/Ousetuu.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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