Categories: Malware

What is “Razy.646940”?

The Razy.646940 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 Razy.646940 virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Russian
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Checks for the presence of known windows from debuggers and forensic tools
  • Attempts to identify installed analysis tools by a known file location
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization
  • Anomalous binary characteristics

How to determine Razy.646940?


File Info:

name: 7B835F75F7AED2517A82.mlwpath: /opt/CAPEv2/storage/binaries/0d3c3d0fafa6f7e7eb54cac630aabb04748e8f465974fcae990d2237fd3adea1crc32: F6E45ED3md5: 7b835f75f7aed2517a82660654043b62sha1: 73b9459edfb99c5bca650c87f95370820320fb6csha256: 0d3c3d0fafa6f7e7eb54cac630aabb04748e8f465974fcae990d2237fd3adea1sha512: 038429e25160cab971fc257847ffe262271ea06e668dbcb77ecaef74344ea39e1b98804115cc4b3a5101ef677a39114d343edc560df56905ba8f86468592a5e7ssdeep: 6144:LnUj9dMgEPzSBJMpMMqugEBo1AkEi/0aAhl+zgNQepQ:LoDszxqugEBo1Oc0lEfCQtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14A1422266F9717A3F98C973420F747BB36533810EAC0563522E82F496C4AA745D2678Fsha3_384: 51afa013099f80021d95b3ca41b9648c893bd0c2a3266252b418c909e7ce8b5846333fb79e8dc8275ec75966e85d1e36ep_bytes: 60be001045008dbe0000fbff5783cdfftimestamp: 2008-08-05 15:27:35

Version Info:

ProductName: WinRARCompanyName: Alexander RoshalFileDescription: WinRAR archiverFileVersion: 3.80InternalName: WinRARLegalCopyright: Copyright © Alexander Roshal 1993-2008OriginalFilename: WinRAR.exeComments: Translation © Dmitry Yerokhin 1999-2008

Razy.646940 also known as:

Bkav W32.MosquitoQKK.Fam.Trojan
Lionic Worm.Win32.Kolab.p!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
FireEye Generic.mg.7b835f75f7aed251
CAT-QuickHeal Worm.SlenfBot.Gen
ALYac Gen:Variant.Razy.646940
Cylance Unsafe
VIPRE Packed.Win32.PWSZbot.gen (v)
Sangfor Trojan.Win32.Generic.ky
K7AntiVirus Trojan ( f1000f011 )
Alibaba Exploit:Win32/ShellCode.2ec50002
K7GW Trojan ( f1000f011 )
Cybereason malicious.5f7aed
VirIT Backdoor.Win32.Bot.BCW
Cyren W32/S-301e7fab!Eldorado
Symantec Downloader.Lofog!gen4
ESET-NOD32 Win32/Slenfbot.AD
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Agent-493730
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Razy.646940
NANO-Antivirus Trojan.Win32.Agent.hdgns
SUPERAntiSpyware Heur.Agent/Gen-StaticIcon
MicroWorld-eScan Gen:Variant.Razy.646940
Avast Win32:DangerousSig [Trj]
Tencent Malware.Win32.Gencirc.114d0423
Ad-Aware Gen:Variant.Razy.646940
Sophos Mal/Generic-R + Mal/FakeAV-BW
Comodo Malware@#1xk8jnksbbn2z
DrWeb BackDoor.IRC.Bot.750
Zillya Trojan.FakeAV.Win32.44284
TrendMicro BKDR_QAKBOT.SMG
McAfee-GW-Edition W32/Pinkslipbot.gen.ae
Emsisoft Gen:Variant.Razy.646940 (B)
Ikarus Trojan-Spy.Win32.Zbot
GData Gen:Variant.Razy.646940
Jiangmin Worm/Kolab.ivr
Webroot W32.Malware.Gen
Avira TR/Crypt.ULPM.Gen
Antiy-AVL Trojan/Generic.ASMalwS.29AB154
ViRobot Worm.Win32.A.Net-Kolab.205040[UPX]
Microsoft Worm:Win32/Slenfbot
AhnLab-V3 Trojan/Win32.Zbot.R4017
Acronis suspicious
McAfee Artemis!7B835F75F7AE
MAX malware (ai score=100)
VBA32 Trojan.Zeus.EA.0999
TrendMicro-HouseCall BKDR_QAKBOT.SMG
Rising Exploit.ShellCode!8.2A (CLOUD)
Yandex Trojan.GenAsa!zLGfEEkWneo
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W32/Kryptik.NAS!tr
BitDefenderTheta Gen:NN.ZexaF.34212.mmLfa4B9toic
AVG Win32:DangerousSig [Trj]
Panda Bck/Qbot.AO
CrowdStrike win/malicious_confidence_60% (W)

How to remove Razy.646940?

  • 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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