Categories: Backdoor

Backdoor:Win32/Unskal.C removal guide

The Backdoor:Win32/Unskal.C 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 Backdoor:Win32/Unskal.C virus can do?

  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • CAPE detected the BackOffPOS malware family
  • Anomalous binary characteristics

How to determine Backdoor:Win32/Unskal.C?


File Info:

name: ACDF56D2884443C3AD39.mlwpath: /opt/CAPEv2/storage/binaries/d21e103b834f67a09a79fb57e6168b5d1fff7e679c8e04e6294a162948ff8e29crc32: 5B18A0A5md5: acdf56d2884443c3ad39ae6542fe0eb9sha1: 31a7ae4d92cf742f447396a197a5ba722e672f05sha256: d21e103b834f67a09a79fb57e6168b5d1fff7e679c8e04e6294a162948ff8e29sha512: 47ff8d559c544b7926ba9b68d1ae7f28264157e65868a3dbfe9fe7f9c91922f6886783249f794b43de11ea1b8da410f619d3b481dde0d466d44f8c19613ac56bssdeep: 1536:NiUC//ucmjzAgkb5DYjzzYrwSsu0wZLm+BctW5qsWjcdgo+T0CBX9B3Bbyv8:o3azAlUjbwZm+cwb+T0CV97byv8type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10CE36C0276C48072D473423609A5AB51467DFDB18F765F1FB7D85A8E0FB82C0663ABA3sha3_384: 950fcfe6d9d7f9dde632b207be2aa168a13af68f14f56659664d003344c06466275179a24119d231d88e4d35e372b5aaep_bytes: e80e430000e9000000006a1468b0a141timestamp: 2015-03-22 15:51:36

Version Info:

0: [No Data]

Backdoor:Win32/Unskal.C also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
ClamAV Win.Trojan.Poseidon-30
CAT-QuickHeal Trojan.PosRI.S24702264
Skyhigh BehavesLike.Win32.Generic.cm
ALYac Gen:Variant.Graftor.188187
Cylance unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Gen:Variant.Graftor.188187
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
Arcabit Trojan.Graftor.D2DF1B
Symantec Infostealer.Posfind
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Agent.QTJ
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan-Spy.Win32.POS.aa
Alibaba TrojanSpy:Win32/Unskal.52fab355
NANO-Antivirus Trojan.Win32.FindStr.drurws
MicroWorld-eScan Gen:Variant.Graftor.188187
Avast Win32:Poseidon-D [Trj]
Rising Backdoor.Unskal!8.2C55 (TFE:5:eyqx3VoD0FS)
Emsisoft Gen:Variant.Graftor.188187 (B)
F-Secure Heuristic.HEUR/AGEN.1319008
DrWeb Trojan.FindStr.8
Zillya Trojan.POS.Win32.38
TrendMicro TSPY_FINDPOS.SMA
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.acdf56d2884443c3
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious PE
Jiangmin TrojanSpy.POS.i
Varist W32/Agent.DDA.gen!Eldorado
Avira HEUR/AGEN.1319008
MAX malware (ai score=100)
Antiy-AVL Virus/Win32.Expiro.imp
Xcitium Malware@#1q8lz111mi88g
Microsoft Backdoor:Win32/Unskal.C
ZoneAlarm Trojan-Spy.Win32.POS.aa
GData Gen:Variant.Graftor.188187
Google Detected
AhnLab-V3 Trojan/Win32.Agent.R147926
McAfee GenericRXPE-ZR!ACDF56D28844
VBA32 TrojanSpy.POS
Malwarebytes Malware.AI.941447832
Panda Trj/Genetic.gen
TrendMicro-HouseCall TSPY_FINDPOS.SMA
Tencent Win32.Trojan-Spy.Pos.Simw
Yandex TrojanSpy.POS!yK1eNyJvrvA
Ikarus Trojan.Win32.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Backoff.D!tr
BitDefenderTheta Gen:NN.ZexaF.36802.jyW@aijWrpoi
AVG Win32:Poseidon-D [Trj]
DeepInstinct MALICIOUS
alibabacloud Trojan.Win.UnkAgent

How to remove Backdoor:Win32/Unskal.C?

  • 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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