Categories: Trojan

Trojan:MSIL/Otcontavir.A malicious file

The Trojan:MSIL/Otcontavir.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 Trojan:MSIL/Otcontavir.A virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Created a process from a suspicious location
  • Network activity detected but not expressed in API logs

How to determine Trojan:MSIL/Otcontavir.A?


File Info:

name: B4FDFA355BC0A38A7D61.mlwpath: /opt/CAPEv2/storage/binaries/fd735cf9cc339da5baccd3660dc755c0250889d81d5e0aba00b98cfccafcd4f1crc32: A6324219md5: b4fdfa355bc0a38a7d610df48a163ecasha1: c6217665f21b7c902dfc38032a74a6e833ddf705sha256: fd735cf9cc339da5baccd3660dc755c0250889d81d5e0aba00b98cfccafcd4f1sha512: 97a02325c264f3907d53d066af3552b863569bc2056fc3cf04928b8ccbeb94552dff49d3877efe94af74eccd786fdd8c964c69ccba80894babd7e11a09ea72e2ssdeep: 98304:BFbVfjQO5NMUPg4mVQCvJo4LeuvdW8xkjJtfhpEG4Hx1YYr4SWpau3udzXKtXLvP:/SO5NMmoSqPeuFW8u1dhWG4zB9St320Dtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T11C3633353B98D0BAC17325316DF686797E68FC712B725C8D6F910EAE2F758228106B43sha3_384: 6a574ee5fdf874cac5f1f027717a82cb4e699f5a779c5823402d4263494cc5dcc4ef6811e5a81e28812db19e9e43fb42ep_bytes: e885630000e978feffff8bff558bec56timestamp: 2015-02-15 08:00:31

Version Info:

0: [No Data]

Trojan:MSIL/Otcontavir.A also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.MSIL.Agent.f!c
MicroWorld-eScan Trojan.ScriptKD.2641
FireEye Trojan.ScriptKD.2641
ALYac Gen:Variant.Zusy.190647
Cylance Unsafe
Sangfor Trojan.MSIL.Otcontavir.A
K7AntiVirus Riskware ( 0040eff71 )
Alibaba Trojan:MSIL/Otcontavir.1a1c1bdd
K7GW Riskware ( 0040eff71 )
Symantec Trojan.Gen
ESET-NOD32 a variant of Generik.FYRBHIP
APEX Malicious
Kaspersky Trojan-Mailfinder.MSIL.Agent.b
BitDefender Trojan.ScriptKD.2641
NANO-Antivirus Trojan.Win32.GTUH7338.ecpjjm
Avast Win32:Trojan-gen
Tencent Win32.Trojan.Generik.Phqj
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0DJM21
McAfee-GW-Edition BehavesLike.Win32.Coinminer.tc
Emsisoft Trojan.ScriptKD.2641 (B)
Webroot W32.Trojan.Scriptkd
Avira JS/Agent.dbxu
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:MSIL/Otcontavir.A
GData Gen:Variant.Zusy.190647
Cynet Malicious (score: 99)
McAfee Artemis!B4FDFA355BC0
MAX malware (ai score=82)
Malwarebytes Malware.AI.4177914909
Ikarus Trojan.VBS.Crypt
Fortinet W32/Agent.B!tr
AVG Win32:Trojan-gen
Cybereason malicious.55bc0a
Panda Trj/CI.A
MaxSecure Win.MxResIcn.Heur.Gen

How to remove Trojan:MSIL/Otcontavir.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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