Categories: Backdoor

What is “Backdoor:Win32/QuasarRAT.A”?

The Backdoor:Win32/QuasarRAT.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 Backdoor:Win32/QuasarRAT.A virus can do?

  • The binary likely contains encrypted or compressed data.
  • Network activity detected but not expressed in API logs

How to determine Backdoor:Win32/QuasarRAT.A?


File Info:

crc32: 6E61434Emd5: 5c7f089814972ca66e6ecd3a9c4d87dfname: applepeg.jpgsha1: 0d2df1fc2335f69ac1609b4b3271625f989ef8e8sha256: 00ca39042347991011275637cb52069745a5cdf564e5d4fce067283d8dab35absha512: 42a00c5c79b28b0594d189a8bb5fcbcd95412ed6160f3a5d36d2fbb6764d4ed5c5636602c1f3c4c955ebd593e2b7c7b582d87f5e0fe1e9d9849a921c69b969cbssdeep: 12288:kQ4wAAFUnUkhXGWB80yPQzmAiWeZAykHLzExTCLNmTYY8YbsKOSgJ/wWGw/KI60Y:kz7KpG5qCxxRAjpuP/7ZnCmutqitype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: xa9 Copyright 2015 HP Development Company, L.P.Assembly Version: 1.0.0.0InternalName: hqeksejgkse.exeFileVersion: 1.0.0.0CompanyName: HP Inc.LegalTrademarks: Comments: ProductName: HP System Event UtilityProductVersion: 1.0.0.0FileDescription: HP Dock MessageOriginalFilename: hqeksejgkse.exe

Backdoor:Win32/QuasarRAT.A also known as:

MicroWorld-eScan Gen:Variant.MSILPerseus.206649
McAfee Artemis!5C7F08981497
Cylance Unsafe
Sangfor Malware
BitDefender Gen:Variant.MSILPerseus.206649
Cybereason malicious.c2335f
ESET-NOD32 a variant of MSIL/GenKryptik.EBHC
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan-PSW.MSIL.Azorult.gen
Alibaba TrojanPSW:MSIL/GenKryptik.e2dfbece
Ad-Aware Gen:Variant.MSILPerseus.206649
Emsisoft Gen:Variant.MSILPerseus.206649 (B)
F-Secure Trojan.TR/Kryptik.nmdwa
McAfee-GW-Edition BehavesLike.Win32.Generic.th
Fortinet MSIL/Azorult.EBHC!tr.pws
Trapmine malicious.high.ml.score
FireEye Generic.mg.5c7f089814972ca6
Ikarus Win32.Outbreak
MAX malware (ai score=88)
Endgame malicious (moderate confidence)
Arcabit Trojan.MSILPerseus.D32739
ZoneAlarm HEUR:Trojan-PSW.MSIL.Azorult.gen
Microsoft Backdoor:Win32/QuasarRAT.A
BitDefenderTheta Gen:NN.ZemsilF.33558.cn0@a4TapNl
Malwarebytes Spyware.HawkEyeKeyLogger
SentinelOne DFI – Malicious PE
GData MSIL.Trojan-Spy.NetLogger.N71HXB
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Generic/Trojan.PSW.a72

How to remove Backdoor:Win32/QuasarRAT.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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