Categories: Ransom

What is “Ransom:MSIL/Bitteroo.A!rsm”?

The Ransom:MSIL/Bitteroo.A!rsm 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/Bitteroo.A!rsm virus can do?

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

How to determine Ransom:MSIL/Bitteroo.A!rsm?


File Info:

crc32: 22F2AFCAmd5: 023bad929560596476082cdfe8472d37name: 023BAD929560596476082CDFE8472D37.mlwsha1: b654966bb98e2ece4ed6e75ab3da100d8afea13fsha256: a468b9a6ce1c25a7e003e3f84a78b1ad69c9762a9d324ffdd9c16d0a33ded024sha512: b8148dddbfde85e16b255a3a1ecfe88e9351055ec265cf634476019ef2f2b21a1c5e5ae242801d83dd47a82c46670b2a900da477c3ebb3ecefffef8293cf1888ssdeep: 6144:rWBhUMNJJQbmOIMt6QkHMPrFgqKNTOq2PzcQWQ4VVBV+S:JAyhIM03HuyGMPB4type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2016Assembly Version: 1.4.3.7InternalName: BitKangoroo.exeFileVersion: 1.0.0.0CompanyName: Microsoft CorporationLegalTrademarks: Microsoft CorporationComments: DNS responderProductName: BitKangorooProductVersion: 1.0.0.0FileDescription: BitKangorooOriginalFilename: BitKangoroo.exe

Ransom:MSIL/Bitteroo.A!rsm also known as:

K7AntiVirus Trojan ( 0050d59f1 )
DrWeb Trojan.Encoder.11308
ALYac Trojan.Ransom.BitKangoroo
Cylance Unsafe
Zillya Trojan.Agent.Win32.786342
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:MSIL/Bitteroo.3f028e54
K7GW Trojan ( 0050d59f1 )
Cybereason malicious.295605
Symantec Ransom.Gen
ESET-NOD32 a variant of MSIL/Filecoder.BitKangoroo.A
APEX Malicious
Avast MSIL:Filecoder-M [Trj]
Kaspersky Trojan-Ransom.MSIL.Agent.yl
BitDefender Generic.Ransom.Hiddentear.A.5E244E4E
NANO-Antivirus Trojan.Win32.Ransom.eoxovx
ViRobot Trojan.Win32.S.BitKangoroo.341504
MicroWorld-eScan Generic.Ransom.Hiddentear.A.5E244E4E
Tencent Malware.Win32.Gencirc.114b0200
Ad-Aware Generic.Ransom.Hiddentear.A.5E244E4E
Sophos Troj/Bitteroo-A
Comodo Malware@#1xtsh96a7gpya
BitDefenderTheta Gen:NN.ZemsilF.34692.um0@aOjWoMe
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_BITKANGROO.B
McAfee-GW-Edition BehavesLike.Win32.Trojan.fc
FireEye Generic.Ransom.Hiddentear.A.5E244E4E
Emsisoft Malware.Generic.CN1 (A)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.MSIL.ljvz
Webroot W32.Ransomware.Gen
Antiy-AVL Trojan/Generic.ASMalwS.201B50F
Kingsoft Win32.Troj.Agent.uu.(kcloud)
Microsoft Ransom:MSIL/Bitteroo.A!rsm
Arcabit Generic.Ransom.Hiddentear.A.5E244E4E
AegisLab Trojan.MSIL.Agent.j!c
GData MSIL.Trojan-Ransom.Bitkangoroo.A
McAfee Artemis!023BAD929560
MAX malware (ai score=99)
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_BITKANGROO.B
Rising Ransom.BitKangoroo!1.B2FE (CLASSIC)
Yandex Trojan.Agent!YS7BM/GUFwk
Ikarus Trojan.MSIL.Filecoder
Fortinet MSIL/Generic.AP.82E04C!tr
AVG MSIL:Filecoder-M [Trj]
Paloalto generic.ml

How to remove Ransom:MSIL/Bitteroo.A!rsm?

  • 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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