Categories: Ransom

What is “Ransom:MSIL/Revilcrypt.PAA!MTB”?

The Ransom:MSIL/Revilcrypt.PAA!MTB 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 Ransom:MSIL/Revilcrypt.PAA!MTB virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Dynamic (imported) function loading detected
  • Sample contains Overlay data
  • Presents an Authenticode digital signature
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine Ransom:MSIL/Revilcrypt.PAA!MTB?


File Info:

name: 866AC9FB8D92B45CDE5F.mlwpath: /opt/CAPEv2/storage/binaries/abe5dcd74c18542b147e9c2d7d9996db5f3e43c44a0af91818aafe08d2ac3983crc32: 8FA57225md5: 866ac9fb8d92b45cde5fca2d09f6581asha1: ce62de14e258db4c1059df9c141f910d0b73d995sha256: abe5dcd74c18542b147e9c2d7d9996db5f3e43c44a0af91818aafe08d2ac3983sha512: 9a22c07836ebc47cdcda340170923e639eebf640126f21f860ab4f0e5021d7c21ab5604ed353bde6b58c00fc675064c4c17f5e29ba1e63b82c4abd4f6e70612fssdeep: 24576:3tyVeYR666666666666666666666666666666666666666666666666666666666:T5type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10396C509B3E4453AF9BE4B3A493A63044771FD839833CB6E65E5720A3D327D08E51B66sha3_384: e58a4920a18acf4a1d0f4ebfb498e3060d2355d9b4f3757a06b76a299f29f2e557791a76362f5251674acfa6ee9af3ffep_bytes: e8c2030000e980feffff3b0d68e04200timestamp: 2015-08-15 03:24:33

Version Info:

CompanyName: Microsoft CorporationFileDescription: Office Source EngineFileVersion: 16.0.4266.1003InternalName: oseLegalTrademarks1: Microsoft® is a registered trademark of Microsoft Corporation.LegalTrademarks2: Windows® is a registered trademark of Microsoft Corporation.OriginalFilename: ose.exeProductName: Office Source EngineProductVersion: 16.0.4266.1003MOSEVersion: BETATranslation: 0x0000 0x04e4

Ransom:MSIL/Revilcrypt.PAA!MTB also known as:

Lionic Trojan.Win32.Zilla.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.50208559
FireEye Generic.mg.866ac9fb8d92b45c
McAfee Artemis!866AC9FB8D92
Malwarebytes Malware.AI.1881590085
Sangfor Trojan.Win32.Save.a
BitDefender Trojan.GenericKD.50208559
Arcabit Trojan.Generic.D2FE1F2F
Cyren W32/Filecoder.DF.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Alibaba Ransom:MSIL/Revilcrypt.ef3ade9c
Sophos Troj/Ransom-GRO
DrWeb Trojan.MulDrop20.1160
VIPRE Trojan.GenericKD.50208559
TrendMicro Ransom_Revilcrypt.R002C0DDO22
McAfee-GW-Edition BehavesLike.Win32.Generic.rt
Emsisoft Trojan.GenericKD.50208559 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1237905
Microsoft Ransom:MSIL/Revilcrypt.PAA!MTB
GData Trojan.GenericKD.50208559
Cynet Malicious (score: 100)
BitDefenderTheta Gen:NN.ZemsilF.34806.am0@airazdc
ALYac Trojan.GenericKD.50208559
MAX malware (ai score=82)
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_Revilcrypt.R002C0DDO22
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/Ransom_Revilcrypt.R002C0DDO22!tr.ransom
AVG Win32:RansomX-gen [Ransom]
Avast Win32:RansomX-gen [Ransom]

How to remove Ransom:MSIL/Revilcrypt.PAA!MTB?

  • 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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