Categories: Malware

Dropped:Win32.Virlock.Gen.4 information

The Dropped:Win32.Virlock.Gen.4 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 Dropped:Win32.Virlock.Gen.4 virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • A file was accessed within the Public folder.
  • Uses Windows utilities for basic functionality
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Uses Windows utilities to create a scheduled task
  • Deletes executed files from disk
  • Attempts to disable UAC
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent file extensions from being displayed
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Uses suspicious command line tools or Windows utilities

How to determine Dropped:Win32.Virlock.Gen.4?


File Info:

name: DF3B27432F87CBFEB0A8.mlwpath: /opt/CAPEv2/storage/binaries/15fa20e389c6bc1c2a4f65eba9f80907110b2926e8b1fa1e74707b9a93ce3665crc32: 1FCD4A71md5: df3b27432f87cbfeb0a85416f470e557sha1: b941be9f32c431f89fb773c582286f25ca2a805asha256: 15fa20e389c6bc1c2a4f65eba9f80907110b2926e8b1fa1e74707b9a93ce3665sha512: d2e6842bb0f981773aa1ba259590fb27f163c3cdc067cf9a33b846b6ecb3c3e568d82e42fea025dd43c6a1bc45c3f7e1c199c436190933f477fd3e1aab1c3440ssdeep: 3072:mzMi6T1oY517JQY5AJy5FoZhwHPk6TLu/8uzecdV/Klrv:JiUoq7FJPAUuvjIjtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12DD3CEB6AA459772F53B4B352FD7A226AA257D2F3370A52C84460E0F741A0F6D8D703Csha3_384: e908235eed1265769b04f0d5e575d487bee3993c7bf0405603503183cdf41b2b1182fdc26029e3c97acd5efe8c50a96aep_bytes: bae0a90800b8a055070081ea068e0400timestamp: 1970-01-01 00:02:03

Version Info:

0: [No Data]

Dropped:Win32.Virlock.Gen.4 also known as:

Bkav W32.AIDetectMalware
Lionic Virus.Win32.Virlock.n!c
Elastic malicious (high confidence)
MicroWorld-eScan Dropped:Win32.Virlock.Gen.4
FireEye Generic.mg.df3b27432f87cbfe
Skyhigh BehavesLike.Win32.VirRansom.cc
McAfee W32/VirRansom
Malwarebytes Generic.Malware.AI.DDS
VIPRE Dropped:Win32.Virlock.Gen.4
Sangfor Ransom.Win32.Save.a
K7AntiVirus Virus ( 0040f99f1 )
Alibaba Ransom:Win32/Polyransom.A
K7GW Virus ( 0040f99f1 )
Cybereason malicious.f32c43
Arcabit Win32.Virlock.Gen.4
Baidu Win32.Virus.Virlock.a
VirIT Win32.CryptorGen.B
Symantec W32.Virlock!inf
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Virlock.D
Cynet Malicious (score: 100)
APEX Malicious
Kaspersky Virus.Win32.PolyRansom.a
BitDefender Dropped:Win32.Virlock.Gen.4
NANO-Antivirus Trojan.Win32.Kryptik.dmrlkh
Avast Win32:VirLock [Inf]
Tencent Virus.Win32.VirLocker.b
TACHYON Virus/W32.VirRansom.C
Sophos W32/VirRnsm-A
F-Secure Trojan.TR/Crypt.XPACK.Gen
DrWeb Win32.VirLock.2
Zillya Virus.PolyRansom.Win32.1
TrendMicro PE_VIRLOCK.C
Emsisoft Dropped:Win32.Virlock.Gen.4 (B)
Ikarus Virus-Ransom.FileLocker
Jiangmin Win32/Polyransom.a
Varist W32/S-27bc0672!Eldorado
Avira TR/Crypt.XPACK.Gen
Antiy-AVL Virus/Win32.PolyRansom.a
Gridinsoft Virus.Win32.Wlock.sa
Xcitium Packed.Win32.Graybird.B@5hgpd5
Microsoft Virus:Win32/Nabucur.A
ZoneAlarm Virus.Win32.PolyRansom.a
GData Dropped:Win32.Virlock.Gen.4
Google Detected
Acronis suspicious
BitDefenderTheta AI:Packer.410AD9CA1F
ALYac Dropped:Win32.Virlock.Gen.4
MAX malware (ai score=87)
VBA32 Virus.VirLock
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall PE_VIRLOCK.C
Rising Trojan.Vindor!8.10CC (TFE:2:RUUyfJLMoeL)
Yandex Virus.Virlock.Gen.AAJ
SentinelOne Static AI – Malicious PE
MaxSecure Virus.PolyRansom.a
Fortinet W32/Virlock.K
AVG Win32:VirLock [Inf]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Dropped:Win32.Virlock.Gen.4?

  • 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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