Categories: Trojan

Should I remove “Trojan:Win32/Krilog.A”?

The Trojan:Win32/Krilog.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:Win32/Krilog.A virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection with CreateRemoteThread in a remote process
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • A process created a hidden window
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Code injection with CreateRemoteThread in a remote process
  • Tries to suspend Cuckoo threads to prevent logging of malicious activity
  • Deletes its original binary from disk
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • A system process is generating network traffic likely as a result of process injection
  • Behavior consistent with a dropper attempting to download the next stage.
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Creates a copy of itself
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz
rikitiki033.ru
rikitiki340.ru
rikitiki31.ru
rikitiki32.ru

How to determine Trojan:Win32/Krilog.A?


File Info:

crc32: 118B2879md5: f55aa854a0fac6384420b6665f250dcbname: F55AA854A0FAC6384420B6665F250DCB.mlwsha1: ff107d171591344f71c98a9cc731dcb8e1e97939sha256: 4f5c65d4865320515de4505086552f11255f1e5eca3edf32519482cb7a65026csha512: 2860290c202d921908752bb211fc9012d7dc79d61767d8dda71a18e71c9dd4e141ef689b7ae97508a64f53ed0add2f9fc78b29820e6759b324216c6feaa6de14ssdeep: 1536:CkYya83VszjTJgYRoeJBG2ZLsKuh1ES1NECAsottifTKrwKWIBvxn:CkQ83VOtWe20sdeS1N/nfOXWIBvxntype: MS-DOS executable

Version Info:

LegalCopyright: Copyright xa9 2009 Emsi Software GmbH. All rights reserved.CompanyName: PROMTFileVersion: 6.5.5.2FileDescription: Emsisoft Anti-Malware Upate ProxyTranslation: 0x0409 0x0000

Trojan:Win32/Krilog.A also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Razy.666460
McAfee Generic.dx!F55AA854A0FA
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Worm.Win32.Cridex.o!c
Sangfor Trojan.Win32.Save.a
BitDefender Gen:Variant.Razy.666460
Cybereason malicious.4a0fac
Symantec ML.Attribute.HighConfidence
Avast Win32:Dropper-LWB [Drp]
Kaspersky Trojan.Win32.BurHon.cd
NANO-Antivirus Trojan.Win32.Necurs.coecko
Rising Trojan.Generic@ML.82 (RDML:lfSpVin53dG+oH8PNhSPjA)
Ad-Aware Gen:Variant.Razy.666460
Emsisoft Gen:Variant.Razy.666460 (B)
Comodo Malware@#8s7y7r8tzarq
F-Secure Trojan.TR/Crypt.ZPACK.Gen2
DrWeb Trojan.Necurs.20
Zillya Worm.Cridex.Win32.139
McAfee-GW-Edition BehavesLike.Win32.Ransomware.nh
FireEye Generic.mg.f55aa854a0fac638
Sophos Mal/Generic-S + Mal/Generic-L
SentinelOne Static AI – Malicious PE
Avira TR/Crypt.ZPACK.Gen2
MAX malware (ai score=86)
Antiy-AVL Worm/Win32.Cridex
Kingsoft Win32.Malware.Generic.a.(kcloud)
Microsoft Trojan:Win32/Krilog.A
Arcabit Trojan.Razy.DA2B5C
ZoneAlarm Trojan.Win32.BurHon.cd
GData Gen:Variant.Razy.666460
Cynet Malicious (score: 100)
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34590.gq0@aOM89Xci
ALYac Gen:Variant.Razy.666460
VBA32 Worm.Cridex
Panda Trj/OCJ.A
ESET-NOD32 Win32/AutoRun.Spy.Banker.M
Tencent Win32.Worm.Cridex.doxu
Yandex Worm.Cridex!Nwt77ZJXU3A
Ikarus Worm.Win32.Cridex
Fortinet W32/Shiz.NCF!tr
Webroot Trojan.Cridex.Gen
AVG Win32:Dropper-LWB [Drp]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 HEUR/Malware.QVM20.Gen

How to remove Trojan:Win32/Krilog.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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