Categories: Malware

MSIL/Filecoder.Atom removal

The MSIL/Filecoder.Atom 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/Filecoder.Atom virus can do?

  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Russian
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Network activity detected but not expressed in API logs

How to determine MSIL/Filecoder.Atom?


File Info:

crc32: 6FCA7051md5: 24cfdd82c3ee00aff3408ecf3541ee07name: 24CFDD82C3EE00AFF3408ECF3541EE07.mlwsha1: 168e4afa61ce1d1b1114ce1bba90c6478d6134dfsha256: fb94ca4dee7bf8a99b67f6abb5f8b887821f5ddf12e5361e55077949fc7a1d93sha512: 498877f9e1e731ccaf26a93fe6b8f2de2f1c5d3a1123d9a4e416df032e7d319982ce39544282fbbcacb7e2832e3163d922fb330c47888deee24eb585fa6b25f3ssdeep: 12288:m1wOZhCGsZDpKU+J8eJ3zb17jlcNbcQ3kiqZVBO6/MTtjXgiisQ:gwEhC9KzLjZ7jlVtHc5jrvQtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

MSIL/Filecoder.Atom also known as:

K7AntiVirus Trojan ( 004f98bb1 )
DrWeb Trojan.Encoder.30066
ALYac Gen:Variant.Ransom.HiddenTear.1
Cylance Unsafe
CrowdStrike win/malicious_confidence_60% (W)
Alibaba Trojan:MSIL/Filecoder.5ce81d82
K7GW Trojan ( 004f98bb1 )
Cybereason malicious.2c3ee0
Cyren W32/Crowti.VUHC-1708
Symantec Trojan.Gen.MBT
ESET-NOD32 MSIL/Filecoder.Atom
Avast Win32:Malware-gen
ClamAV Win.Malware.Zusy-7067692-0
Kaspersky UDS:Trojan.Win32.Generic
BitDefender Gen:Variant.Ransom.HiddenTear.1
NANO-Antivirus Trojan.Win32.Filecoder.eptugr
MicroWorld-eScan Gen:Variant.Ransom.HiddenTear.1
Sophos Mal/Atom-A
BitDefenderTheta Gen:NN.ZexaF.34738.Lq0@aiWmiLd
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_ATOM.SM0
McAfee-GW-Edition Artemis
FireEye Gen:Variant.Ransom.HiddenTear.1
Emsisoft Gen:Variant.Ransom.HiddenTear.1 (B)
SentinelOne Static AI – Malicious SFX
Avira HEUR/AGEN.1127951
Antiy-AVL Trojan/Generic.ASMalwS.1B8B1DD
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.Ransom.HiddenTear.1
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Ransom.HiddenTear.1
McAfee Artemis!24CFDD82C3EE
MAX malware (ai score=96)
VBA32 Trojan-Ransom.Gen
TrendMicro-HouseCall Ransom_ATOM.SM0
Rising Trojan.Generic@ML.99 (RDML:hkTZRv8/3UWBZ9rnDSb0uA)
Yandex Trojan.Agent!DSkDaoYAy1c
Ikarus Trojan.MSIL.Filecoder
Fortinet W32/HiddenTear.1!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove MSIL/Filecoder.Atom?

  • 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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