Categories: Backdoor

Backdoor:Win32/Protux.C!bit (file analysis)

The Backdoor:Win32/Protux.C!bit 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 Backdoor:Win32/Protux.C!bit virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine Backdoor:Win32/Protux.C!bit?


File Info:

name: 5648A29305E1262DA82A.mlwpath: /opt/CAPEv2/storage/binaries/f5afd0c4825dd040cfbd6617747a7156dda86ba846783d0174b7a433ffd6f505crc32: ACBA1998md5: 5648a29305e1262da82a333f519c0750sha1: a0b3517aa3e18e17948f9d36ccfcb8c9ab292631sha256: f5afd0c4825dd040cfbd6617747a7156dda86ba846783d0174b7a433ffd6f505sha512: ee8400c7040673c56c3cec8de7666660c79f9b6bfb80ffba96a3bc24043559ce8dca8ddc34824ed0955ce377f77ca822c9e5c4e4ded8c576fc88dc76fcbfeab0ssdeep: 24576:FmjTlHHKmMDsmonrtRtwGV5VIcA7PdDfw7BkfuDa/tY+Z0M1SeKcQ3:FmjZCsmonJRtwGzARU9nsjIe23type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1575533E1BC45ABB2CFE64772684F0852FF166D31C76BC16648603108F1B96F9D0B798Asha3_384: ec6aca4714b8737d13f41976ffe26641a4dbc08430bd3c18aff7b44adef1a0882b760b917f84296ee9bf1dc89769d417ep_bytes: 558bec6aff688031400068942a400064timestamp: 2010-07-08 13:48:00

Version Info:

0: [No Data]

Backdoor:Win32/Protux.C!bit also known as:

Bkav W32.AIDetectMalware
tehtris Generic.Malware
MicroWorld-eScan Trojan.GenericKDZ.94991
CAT-QuickHeal Backdoor.Poison.18050
Skyhigh BehavesLike.Win32.Generic.tc
ALYac Trojan.GenericKDZ.94991
Malwarebytes Generic.Malware.AI.DDS
VIPRE Trojan.GenericKDZ.94991
Sangfor Suspicious.Win32.Save.ins
K7AntiVirus Trojan ( 0053eef51 )
BitDefender Trojan.GenericKDZ.94991
K7GW Trojan ( 0053eef51 )
Cybereason malicious.aa3e18
BitDefenderTheta Gen:NN.ZexaF.36792.v1Z@ay0RJ4c
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Protux.NAU
APEX Malicious
ClamAV Win.Trojan.Terminatorat-1
Kaspersky Trojan-Dropper.Win32.Agent.sbra
NANO-Antivirus Trojan.Win32.SmlSDCW.bxogjo
Rising Backdoor.Protux!8.305D (TFE:5:tMETU0IEhID)
F-Secure Trojan.TR/Crypt.ZPACK.Gen
DrWeb Trojan.MulDrop8.31902
Trapmine malicious.high.ml.score
FireEye Generic.mg.5648a29305e1262d
Emsisoft Trojan.GenericKDZ.94991 (B)
Ikarus Backdoor.Win32.Protux
Jiangmin TrojanDropper.Agent.gfww
Webroot W32.Trojan.Gen
Varist W32/Protux.F.gen!Eldorado
Avira TR/Crypt.ZPACK.Gen
Antiy-AVL Trojan/Win32.TSGeneric
Kingsoft malware.kb.a.1000
Microsoft Backdoor:Win32/Protux.C!bit
Xcitium TrojWare.Win32.Protux.NAS1@6ldg0s
Arcabit Trojan.Generic.D1730F
ZoneAlarm Trojan-Dropper.Win32.Agent.sbra
GData Trojan.GenericKDZ.94991
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.FQFT.C5522791
McAfee Trojan-FQFT!5648A29305E1
MAX malware (ai score=83)
DeepInstinct MALICIOUS
VBA32 BScope.Trojan.Tiggre
Cylance unsafe
Panda Trj/Genetic.gen
Tencent Malware.Win32.Gencirc.10bf3997
Yandex Trojan.DR.Agent!IAOg87T8BUA
SentinelOne Static AI – Suspicious PE
Fortinet W32/Protux.NAR!tr
AVG Win32:Evo-gen [Trj]
Avast Win32:Evo-gen [Trj]
CrowdStrike win/malicious_confidence_100% (D)

How to remove Backdoor:Win32/Protux.C!bit?

  • 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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