Categories: SpyTrojan

What is “TrojanSpy.MSIL.Quasar”?

The TrojanSpy.MSIL.Quasar 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 TrojanSpy.MSIL.Quasar virus can do?

  • Presents an Authenticode digital signature
  • Attempts to mimic the file extension of a Word 97-2003 document by having ‘doc’ in the file name.
  • Network activity detected but not expressed in API logs

How to determine TrojanSpy.MSIL.Quasar?


File Info:

crc32: 320C2327md5: 331a1f87540a962e5cab4eaab6f8ba51name: Bank Details.doc.exesha1: 024d8fbef1c8c44170ee5ce0223cd29e68aecc18sha256: 0c1eb3ab2996a140f1f7ac4e978fa77a6c3ea11a001378e7e1fdb76a349dd3c0sha512: cc96abeced856d07d41b31f664b41a9ff1c48d060d6ec873590c7b5578a8fcccfff31a593a995f6ac5a9c2e9c17a586209dc2e1ffe137b7fbccbc90c5e5cb75fssdeep: 12288:2yESD7Xba7r0K06UH9mdadPmAmpGAvvvbv/YbY8r1b+zFLwM80KM+lj8ka/lNFW:58ka/lNFWlvQmmm4type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: xa9 IObit. All rights reserved.Assembly Version: 13.0.0.49FileVersion: 13.0.0.49CompanyName: IObitLegalTrademarks: IObitComments: Advanced SystemCare Auto SweepProductName: Advanced SystemCareProductVersion: 13.0.0.49FileDescription: Advanced SystemCare Auto SweepOriginalFilename: Advanced SystemCare.exeTranslation: 0x0409 0x0514

TrojanSpy.MSIL.Quasar also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.34705179
CAT-QuickHeal TrojanSpy.MSIL
ALYac Trojan.GenericKD.34705179
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.MSIL.Quasar.l!c
K7AntiVirus Trojan ( 0056e2341 )
BitDefender Trojan.GenericKD.34705179
K7GW Trojan ( 0056e2341 )
CrowdStrike win/malicious_confidence_90% (W)
TrendMicro TrojanSpy.MSIL.QUASAR.USMANJ820
Cyren W32/MSIL_Troj.YW.gen!Eldorado
Symantec Trojan.Gen.MBT
Avast Win32:DangerousSig [Trj]
Kaspersky HEUR:Trojan-Spy.MSIL.Quasar.gen
Alibaba Backdoor:MSIL/NanoBot.bf36abdd
NANO-Antivirus Trojan.Win32.Quasar.hzdgtv
ViRobot Trojan.Win32.Z.Genkryptik.733912
Ad-Aware Trojan.GenericKD.34705179
Emsisoft Trojan.GenericKD.34705179 (B)
Comodo Malware@#2sz8al62b7lmy
F-Secure Trojan.TR/Kryptik.znyom
Invincea Mal/Generic-S
McAfee-GW-Edition PWS-FCRS!331A1F87540A
FireEye Generic.mg.331a1f87540a962e
Sophos Mal/Generic-S
Ikarus Trojan.MSIL.Krypt
Avira TR/Kryptik.znyom
Microsoft Backdoor:MSIL/NanoBot.PA!MTB
Arcabit Trojan.Generic.D2118F1B
ZoneAlarm HEUR:Trojan-Spy.MSIL.Quasar.gen
GData Trojan.GenericKD.34705179
AhnLab-V3 Trojan/Win32.MassLogger.C4204924
McAfee PWS-FCRS!331A1F87540A
MAX malware (ai score=83)
VBA32 TrojanSpy.MSIL.Quasar
Malwarebytes PUP.Optional.AdvancedSystemCare
Panda Trj/CI.A
ESET-NOD32 a variant of MSIL/Kryptik.YCK
TrendMicro-HouseCall TrojanSpy.MSIL.QUASAR.USMANJ820
Yandex Trojan.Igent.bUAoJ7.28
SentinelOne DFI – Malicious PE
Fortinet MSIL/GenKryptik.ESHC!tr
BitDefenderTheta Gen:NN.ZemsilF.34566.Sm1@ay4NONmi
AVG Win32:DangerousSig [Trj]
Cybereason malicious.ef1c8c
Paloalto generic.ml
Qihoo-360 Generic/Trojan.Spy.da2

How to remove TrojanSpy.MSIL.Quasar?

  • 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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