Categories: Trojan

What is “Trojan.Win32.Kolovorot.ys”?

The Trojan.Win32.Kolovorot.ys 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.Kolovorot.ys virus can do?

  • Sample contains Overlay data
  • Uses Windows utilities for basic functionality
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • CAPE detected the shellcode get eip malware family
  • Binary file triggered YARA rule
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Trojan.Win32.Kolovorot.ys?


File Info:

name: 369273576E617FF4FC04.mlwpath: /opt/CAPEv2/storage/binaries/0c5f32580e4188ac84660967d0d27edae4908b0c9b53ef291ec54716d0b64064crc32: E1058271md5: 369273576e617ff4fc04124d5f80e5f2sha1: d3cdb4d7322ec23c5043a567fe4e0617d17c66d8sha256: 0c5f32580e4188ac84660967d0d27edae4908b0c9b53ef291ec54716d0b64064sha512: 4a7cb888e1d876108461f142bdac2a4890f2cb762bb40840a2a1a37531acf08e63eddb2281de04dfb328e6535d3687d4c5fe58d7415724fc25a8d069c37242d3ssdeep: 24576:HfqMeY3QBhoWYJgIDWAeTkzZ+RkFN/yKBUZZAFDrrqBh3SWgSklWXKBUZq:HneXoWS5ZRN/yKiZEDrKBST1WXKiZqtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19685CF93F08280F2D92D153814B97B3BD67A691E0935DB8BA762FD765C32D82923710Fsha3_384: b3a068c548fbb0dccfa7042aa11c59797c3e62a61c3e18dfce939c55390c7b28b1a5fa6c97e4f7363651e7908de2d0f2ep_bytes: 558bec6aff68106e540068b095470064timestamp: 2015-09-21 10:32:53

Version Info:

0: [No Data]

Trojan.Win32.Kolovorot.ys also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Kolovorot.lpUa
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.PWSIME.3
FireEye Generic.mg.369273576e617ff4
CAT-QuickHeal Trojan.Generic.2919
Skyhigh BehavesLike.Win32.MultiDropper.th
Malwarebytes Generic.Malware.AI.DDS
Zillya Trojan.Kolovorot.Win32.230
Sangfor Trojan.Win32.Save.BlackMoon
K7AntiVirus Trojan ( 005246d51 )
Alibaba Trojan:Win32/Kolovorot.dd4b7e00
K7GW Trojan ( 005246d51 )
Baidu Win32.Trojan.FakeIME.d
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Packed.FlyStudio.AA potentially unwanted
APEX Malicious
TrendMicro-HouseCall TROJ_GEN.R002C0RD124
Avast Win32:PUP-gen [PUP]
ClamAV Win.Dropper.Tiggre-9845940-0
Kaspersky Trojan.Win32.Kolovorot.ys
BitDefender Gen:Heur.PWSIME.3
NANO-Antivirus Trojan.Win32.Kolovorot.fipsza
Tencent Trojan.Win32.Kolovorot..wa
Emsisoft Gen:Heur.PWSIME.3 (B)
F-Secure Trojan.TR/Crypt.XPACK.Gen
DrWeb Tool.Siggen.9393
VIPRE Gen:Heur.PWSIME.3
TrendMicro TROJ_GEN.R002C0RD124
Trapmine malicious.moderate.ml.score
Sophos Troj/Agent-BDTR
Paloalto generic.ml
MAX malware (ai score=87)
Jiangmin Heur:Backdoor/Blackhole
Webroot W32.Trojan.Gen
Google Detected
Avira TR/Crypt.XPACK.Gen
Varist W32/OnlineGames.HH.gen!Eldorado
Antiy-AVL Trojan[Packed]/Win32.FlyStudio
Kingsoft Win32.Trojan.Kolovorot.ys
Microsoft BrowserModifier:Win32/Diplugem
Xcitium Worm.Win32.Dropper.RA@1qraug
Arcabit Trojan.PWSIME.3
ZoneAlarm Trojan.Win32.Kolovorot.ys
GData Win32.Application.PSE.1OV7PVV
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.QQPass.C134276
Acronis suspicious
VBA32 BScope.Downloader.Snojan
Cylance unsafe
Panda Trj/Genetic.gen
Rising Backdoor.Darkmoon!8.B77 (TFE:5:eAfrX9vEJPN)
Yandex Trojan.GenAsa!W9A0u0hyK0U
Ikarus Trojan.Kolovorot
MaxSecure Trojan.Kolovorot.in
Fortinet Riskware/FlyApplication
BitDefenderTheta Gen:NN.ZexaF.36804.WvX@aOYGsIdb
AVG Win32:PUP-gen [PUP]
DeepInstinct MALICIOUS
alibabacloud Trojan.Win.UnkAgent

How to remove Trojan.Win32.Kolovorot.ys?

  • 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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