Categories: Trojan

Should I remove “Trojan:MSIL/Krolol.A”?

The Trojan:MSIL/Krolol.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 Trojan:MSIL/Krolol.A virus can do?

  • Creates RWX memory
  • A process created a hidden window
  • Drops a binary and executes it
  • Uses Windows utilities for basic functionality
  • A process attempted to delay the analysis task by a long amount of time.
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Trojan:MSIL/Krolol.A?


File Info:

crc32: 9935E2AFmd5: bb1ce5789b27045db4a49509e865581ename: BB1CE5789B27045DB4A49509E865581E.mlwsha1: 9478fed57a5b06b6ed0e6f3b8923b5ffbb8d625csha256: 40c0a03f6c7099a6e1ac8864af7c2e320f90e1ae0850594631129351251ccddcsha512: 0e38baba9e83a8e8d69c31761af9e6ae1e48ab6d1a9514bec74ebb5352550786bfad5521c3e4ef615cb5dc6764a6a06bd82bfb8f9cf1947379aab27b44ce5689ssdeep: 384:hSwiCio75IiuVo0xlYQjb4hLQaGpnuQb/vfVUtJ:h1iLUEjYQjWUgQb/vCtJtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 0.0.0.0InternalName: CloserFix.exeFileVersion: 0.0.0.0ProductVersion: 0.0.0.0FileDescription: OriginalFilename: CloserFix.exe

Trojan:MSIL/Krolol.A also known as:

K7AntiVirus Trojan ( 700000121 )
Lionic Trojan.Win32.Blocker.j!c
Elastic malicious (high confidence)
DrWeb Trojan.EncoderNET.6
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Trojan:MSIL/Blocker.6f8e23a0
K7GW Trojan ( 700000121 )
Cybereason malicious.57a5b0
Baidu Win32.Worm.VB.sh
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Agent.OBO
APEX Malicious
Avast MSIL:Agent-ACX [Trj]
Kaspersky Trojan-Ransom.Win32.Blocker.kzzy
NANO-Antivirus Trojan.Win32.Agent.dckjux
Tencent Win32.Trojan.Blocker.Pezk
Sophos Mal/Generic-S
Comodo Malware@#1f8l2g99pdn4j
BitDefenderTheta Gen:NN.ZemsilF.34790.am0@ayyRJwk
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition GenericRXCA-NP!BB1CE5789B27
FireEye Generic.mg.bb1ce5789b27045d
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.ioq
Avira TR/ATRAPS.Gen
eGambit Unsafe.AI_Score_95%
Antiy-AVL Trojan/Generic.ASMalwS.2677875
Microsoft Trojan:MSIL/Krolol.A
ZoneAlarm Trojan-Ransom.Win32.Blocker.kzzy
AhnLab-V3 Win-Trojan/Krolol.Exp
McAfee GenericRXCA-NP!BB1CE5789B27
MAX malware (ai score=99)
Malwarebytes Trojan.Trolo.C
Panda Trj/GdSda.A
Ikarus Trojan.MSIL.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.OBO!tr
AVG MSIL:Agent-ACX [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOYA

How to remove Trojan:MSIL/Krolol.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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