Categories: Ransom

About “Ransom:MSIL/Natiris.A” infection

The Ransom:MSIL/Natiris.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 Ransom:MSIL/Natiris.A virus can do?

  • Anomalous binary characteristics

How to determine Ransom:MSIL/Natiris.A?


File Info:

crc32: 42D3E90Amd5: db83c22b82e32a5f1b567b5d0d403bd8name: DB83C22B82E32A5F1B567B5D0D403BD8.mlwsha1: 80bea5e7c48ce6badb96d7c322618c050d42dd54sha256: 93806a0981e6bc3d1c73b7796f8adc73e450e13c5afc7e21181aca0597c67ce3sha512: 2caa0b8346be95db8d7356f5877e8df404535376952119ea34c0d5a634027b12f190c6220920b6576465ddd74a1ae636e3507f6405326f8e238c1e785e49995bssdeep: 1536:eTx6lw9pEHb+k0X+nPOnRQOlC4pXM69kAQ:wx6O9pubj0XOyRZ7hM2Qtype: MS-DOS executable, MZ for MS-DOS

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2017Assembly Version: 1.0.0.0InternalName: KristinaCS.exeFileVersion: 1.0.0.0CompanyName: LegalTrademarks: Comments: ProductName: crypt12ProductVersion: 1.0.0.0FileDescription: crypt12OriginalFilename: KristinaCS.exe

Ransom:MSIL/Natiris.A also known as:

K7AntiVirus Trojan ( 005206081 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Crypt12
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.7515
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:MSIL/Natiris.64719a3f
K7GW Trojan ( 005206081 )
Cybereason malicious.b82e32
Symantec W32.Ramnit!dr
ESET-NOD32 a variant of MSIL/Filecoder.Crypt12.A
APEX Malicious
Avast FileRepMalware
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Generic.Ransom.CryptTwelve.4BE98A55
NANO-Antivirus Trojan.Win32.FileCoder.evymrq
MicroWorld-eScan Generic.Ransom.CryptTwelve.4BE98A55
Tencent Win32.Trojan.Generic.Wtnf
Ad-Aware Generic.Ransom.CryptTwelve.4BE98A55
Sophos Mal/Generic-R + Mal/Krypt12-B
Comodo Malware@#2dtjpo5kshi6i
BitDefenderTheta Gen:NN.ZemsilF.34628.dm3@a4xOSwh
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Generic.cwi
FireEye Generic.mg.db83c22b82e32a5f
Emsisoft Generic.Ransom.CryptTwelve.4BE98A55 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.MSIL.NanoBot.b
Avira TR/FileCoder.zxrko
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:MSIL/Natiris.A
Arcabit Generic.Ransom.CryptTwelve.4BE98A55
AegisLab Trojan.Win32.Generic.4!c
GData Generic.Ransom.CryptTwelve.4BE98A55
McAfee Generic.cwi
MAX malware (ai score=97)
Panda Trj/CI.A
Rising Virus.Ramnit!8.4 (CLOUD)
Yandex Trojan.Agent!PA2ZqfXn7j8
Ikarus Trojan-Ransom.FileCrypter
Fortinet MSIL/Filecoder_Crypt12.A!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Filecoder.HgIASOgA

How to remove Ransom:MSIL/Natiris.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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