Categories: Backdoor

Backdoor:MSIL/Quasar!atmn removal guide

The Backdoor:MSIL/Quasar!atmn 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:MSIL/Quasar!atmn virus can do?

Authenticode signature is invalid
CAPE detected the QuasarStealer malware family

How to determine Backdoor:MSIL/Quasar!atmn?


File Info:
name: F480E29D1451AFF9A2DA.mlwpath: /opt/CAPEv2/storage/binaries/585d38e15b1d6cd2cb341b40c04e36dde152d4b58eb0c360d14468dcc43f015ecrc32: FBBDC84Amd5: f480e29d1451aff9a2dabb7ad83521b7sha1: 4db4b1de7087b5cb5dee413b43fa8a490ed83eccsha256: 585d38e15b1d6cd2cb341b40c04e36dde152d4b58eb0c360d14468dcc43f015esha512: cc3f100b95d064e4b61bca31ddc65d5d8a3105e8cc25786a73b236c7281f090680e16695c45a9f7b8c88b16b9557e72a54b6a05cd8394bc8eb71cd8e15d07215ssdeep: 49152:zvrI22SsaNYfdPBldt698dBcjHmFRm6XbR3LoGddtTHHB72eh2NT:zvU22SsaNYfdPBldt6+dBcjHmFRm6ptype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12CE56B143BF85E27E1BBE27795B0041267F0FC1AF3A3EB0B6581677A1C53B5098426A7sha3_384: 58aae0c52b47e37c8f4ff40fe762a34cde99ab6bb47c855a4ae8fc24fb776584957237053d0974c35e0bb74ad159c549ep_bytes: ff250020400000000000000000000000timestamp: 2023-03-12 16:16:39
Version Info:
Translation: 0x0000 0x04b0Comments: CompanyName: FileDescription: FileVersion: 1.2.3.4InternalName: WindowsUpdater.exeLegalCopyright: LegalTrademarks: OriginalFilename: WindowsUpdater.exeProductName: WindowsUpdater.exeProductVersion: 1.3.0.0Assembly Version: 1.3.0.0

Backdoor:MSIL/Quasar!atmn also known as:

Elastic	malicious (high confidence)
MicroWorld-eScan	Generic.MSIL.PasswordStealerA.A2F8229F
ClamAV	Win.Malware.Generic-9883083-0
FireEye	Generic.mg.f480e29d1451aff9
CAT-QuickHeal	Trojan.Generic.TRFH927
McAfee	GenericRXLX-DS!F480E29D1451
Malwarebytes	Generic.Trojan.MSIL.DDS
Sangfor	Trojan.Win32.Save.a
Cybereason	malicious.d1451a
BitDefenderTheta	Gen:NN.ZemsilF.36196.hp0@aOxYVei
VirIT	Trojan.Win32.MSIL.MJ
Cyren	W32/MSIL_Troj.BTX.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/Agent.CLQ
APEX	Malicious
Cynet	Malicious (score: 100)
Kaspersky	HEUR:Trojan.MSIL.Quasar.gen
BitDefender	Generic.MSIL.PasswordStealerA.A2F8229F
Avast	MSIL:Quasar-A [Rat]
Tencent	Trojan.MSIL.Quasar.ka
Sophos	ML/PE-A
F-Secure	Heuristic.HEUR/AGEN.1307453
DrWeb	BackDoor.QuasarNET.3
VIPRE	Generic.MSIL.PasswordStealerA.A2F8229F
TrendMicro	TROJ_GEN.R014C0DEN23
McAfee-GW-Edition	BehavesLike.Win32.Generic.wh
Emsisoft	Generic.MSIL.PasswordStealerA.A2F8229F (B)
Ikarus	Trojan-Spy.Agent
GData	MSIL.Backdoor.Quasar.A
Jiangmin	Trojan.MSIL.aogzw
Avira	HEUR/AGEN.1307453
Antiy-AVL	Trojan/MSIL.Quasar
Arcabit	Generic.MSIL.PasswordStealerA.A2F8229F
ZoneAlarm	HEUR:Trojan.MSIL.Quasar.gen
Microsoft	Backdoor:MSIL/Quasar!atmn
Google	Detected
AhnLab-V3	Backdoor/Win32.QuasarRAT.R341693
Acronis	suspicious
ALYac	Generic.MSIL.PasswordStealerA.A2F8229F
MAX	malware (ai score=86)
VBA32	Trojan.MSIL.Quasar.Heur
Cylance	unsafe
TrendMicro-HouseCall	TROJ_GEN.R014C0DEN23
Rising	Spyware.Downeks!8.E248 (TFE:dGZlOg2S81xkxScsOg)
SentinelOne	Static AI – Malicious PE
MaxSecure	Trojan.Malware.300983.susgen
Fortinet	MSIL/Agent.BXX!tr
AVG	MSIL:Quasar-A [Rat]
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_100% (W)