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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.

6-day free trial available.

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.mlw
path: /opt/CAPEv2/storage/binaries/d21e103b834f67a09a79fb57e6168b5d1fff7e679c8e04e6294a162948ff8e29
crc32: 5B18A0A5
md5: acdf56d2884443c3ad39ae6542fe0eb9
sha1: 31a7ae4d92cf742f447396a197a5ba722e672f05
sha256: d21e103b834f67a09a79fb57e6168b5d1fff7e679c8e04e6294a162948ff8e29
sha512: 47ff8d559c544b7926ba9b68d1ae7f28264157e65868a3dbfe9fe7f9c91922f6886783249f794b43de11ea1b8da410f619d3b481dde0d466d44f8c19613ac56b
ssdeep: 1536:NiUC//ucmjzAgkb5DYjzzYrwSsu0wZLm+BctW5qsWjcdgo+T0CBX9B3Bbyv8:o3azAlUjbwZm+cwb+T0CV97byv8
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10CE36C0276C48072D473423609A5AB51467DFDB18F765F1FB7D85A8E0FB82C0663ABA3
sha3_384: 950fcfe6d9d7f9dde632b207be2aa168a13af68f14f56659664d003344c06466275179a24119d231d88e4d35e372b5aa
ep_bytes: e80e430000e9000000006a1468b0a141
timestamp: 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?

Backdoor:Win32/Unskal.C removal tool

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.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

Leave a Comment X