Categories: Spy

MSIL/Spy.Agent.BYZ removal instruction

The MSIL/Spy.Agent.BYZ 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 MSIL/Spy.Agent.BYZ virus can do?

  • Dynamic (imported) function loading detected
  • Authenticode signature is invalid
  • Unusual version info supplied for binary

How to determine MSIL/Spy.Agent.BYZ?


File Info:

name: 99C0922D81DE857486B1.mlwpath: /opt/CAPEv2/storage/binaries/1aa9ca0d0d25ed2b26a35b9e612cc7fa2a0903db3439b8f6fcba687bc2e9881dcrc32: DC0B92FEmd5: 99c0922d81de857486b1ddfb48c136easha1: 2ec1cf01c28b1c456f11327eaf79d3281d6665c8sha256: 1aa9ca0d0d25ed2b26a35b9e612cc7fa2a0903db3439b8f6fcba687bc2e9881dsha512: caa35e35ae1597cd5e23253808a5194cb3be1975a91918f7fa0bf47699190e5a329cb385b89820cea01ff90d23ca71ad19c633edd3c3759cbf2a93740721c9e4ssdeep: 768:+Q2Uu6v8HQceL2sUDWMkn9Tr+JiKB2w3RlVBufAKbS/ln5IyYpamDsobjaSO:uUco2sBTWiVKljufqln5IUmDsoXItype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T103533FC174A48333E8AA8975E0B74A400BF15C07DBB7DE4BEDF6309459B2750AB0796Bsha3_384: 0f73fc11a39a0f746b2ecdf6634ef3449bcf75b431b9db0c1064f738a740fb5b0a864db96a08b94f2ca53f9f9b883e82ep_bytes: ff250020400000000000000000000000timestamp: 2019-04-04 03:15:32

Version Info:

Translation: 0x0000 0x04b0Comments: Windows ana bilgisayar işlemi (Rundll32)CompanyName: FileDescription: Windows ana bilgisayar işlemi (Rundll32)FileVersion: 10.0.17134.1InternalName: rundll32.exeLegalCopyright: © Microsoft Corporation. Tüm hakları saklıdır.LegalTrademarks: OriginalFilename: rundll32.exeProductName: Microsoft® Windows® İşletim SistemiProductVersion: 10.0.17134.1Assembly Version: 10.0.17134.1

MSIL/Spy.Agent.BYZ also known as:

MicroWorld-eScan Gen:Heur.MSIL.Krypt.!cdmip!.2
ALYac Gen:Heur.MSIL.Krypt.!cdmip!.2
Cylance Unsafe
K7AntiVirus Spyware ( 0058b0321 )
Alibaba Trojan:MSIL/BadJoke.d5d4e395
K7GW Spyware ( 0058b0321 )
Cybereason malicious.d81de8
BitDefenderTheta Gen:NN.ZemsilF.34294.dm0@aGfbEWf
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Spy.Agent.BYZ
TrendMicro-HouseCall TROJ_GEN.R002H0CKR21
Kaspersky HEUR:Trojan-Spy.MSIL.KeyLogger.gen
BitDefender Gen:Heur.MSIL.Krypt.!cdmip!.2
Avast Win32:Trojan-gen
Tencent Msil.Trojan.Msil.Hwmi
Ad-Aware Gen:Heur.MSIL.Krypt.!cdmip!.2
Emsisoft Gen:Heur.MSIL.Krypt.!cdmip!.2 (B)
F-Secure Heuristic.HEUR/AGEN.1101167
McAfee-GW-Edition Artemis!Trojan
FireEye Gen:Heur.MSIL.Krypt.!cdmip!.2
Sophos Mal/Generic-S
Ikarus Trojan.MSIL.BadJoke
GData Gen:Heur.MSIL.Krypt.!cdmip!.2
Avira HEUR/AGEN.1101167
MAX malware (ai score=88)
Gridinsoft Ransom.Win32.Wacatac.sa
Arcabit Trojan.MSIL.Krypt.!cdmip!.2
APEX Malicious
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 99)
McAfee Artemis!99C0922D81DE
Yandex TrojanSpy.Agent!gFOLb7SbqpM
SentinelOne Static AI – Malicious PE
Fortinet MSIL/Agent.BYZ!tr.spy
AVG Win32:Trojan-gen
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_60% (W)
MaxSecure Trojan.Malware.300983.susgen

How to remove MSIL/Spy.Agent.BYZ?

  • 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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Paul Valéry

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