Categories: Malware

Should I remove “Dropped:Win32.Virlock.Gen.4”?

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
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • A scripting utility was executed
  • Uses Windows utilities to create a scheduled task
  • Checks for the presence of known devices from debuggers and forensic tools
  • Checks for the presence of known devices from debuggers and forensic tools
  • 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: 382260B38D14002915F8.mlwpath: /opt/CAPEv2/storage/binaries/8b1fe74c1d07a2e6ee8e755fdd596e5a951b6b23153706e0c052abd741ddd3a0crc32: 707DE51Fmd5: 382260b38d14002915f885624b22bd1dsha1: a2d53bd1721d5e6633772bfa4159bfd422c5adc4sha256: 8b1fe74c1d07a2e6ee8e755fdd596e5a951b6b23153706e0c052abd741ddd3a0sha512: f6a5c37b27f2652ff9128fa3031ee6a91617c3bf55fb217cc8e4885493b684e50f60c23ddfdfed8d00a45f3ffacc577b8802e59ef8c42f75421c0031c05913e9ssdeep: 3072:c16Y5h1gfWX4/37dl+BBRv6BV9fIR/9OoVHueCjJDWgUQ:hYZgfWX4z+BBRa9fIR/9OiObjRWgUQtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T114C3DF2B7FA7EF39D061843B79AD30092778868528F28F18F55D04CA46454EF49D3BB6sha3_384: c40f6f83533b7ee2cc0cbcad4b9b5ee5361dd0a1d56821f43df4924406b465a5834f2956d635f5de674e31338b9c881fep_bytes: ba12fc0100be5a3b0b0081c2c65f0300timestamp: 1970-01-01 00:02:03

Version Info:

0: [No Data]

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

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Dropped:Win32.Virlock.Gen.4
FireEye Generic.mg.382260b38d140029
Skyhigh BehavesLike.Win32.VirRansom.cc
McAfee W32/VirRansom
Zillya Virus.PolyRansom.Win32.1
Sangfor Ransom.Win32.Save.a
K7AntiVirus Virus ( 0040f99f1 )
K7GW Virus ( 0040f99f1 )
Cybereason malicious.38d140
Baidu Win32.Virus.Virlock.a
VirIT Win32.CryptorGen.B
Symantec W32.Virlock!inf
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Virlock.D
APEX Malicious
TrendMicro-HouseCall PE_VIRLOCK.J
Kaspersky Virus.Win32.PolyRansom.a
BitDefender Dropped:Win32.Virlock.Gen.4
NANO-Antivirus Trojan.Win32.Kryptik.dmrlkh
Avast Win32:VirLock [Inf]
TACHYON Virus/W32.VirRansom.C
Sophos W32/VirRnsm-A
F-Secure Trojan.TR/Crypt.ZPACK.Gen
DrWeb Win32.VirLock.2
VIPRE Dropped:Win32.Virlock.Gen.4
TrendMicro PE_VIRLOCK.J
Trapmine malicious.high.ml.score
Emsisoft Dropped:Win32.Virlock.Gen.4 (B)
Ikarus Virus-Ransom.FileLocker
Jiangmin Win32/Polyransom.a
Google Detected
Avira TR/Crypt.ZPACK.Gen
Varist W32/S-4ab5d27b!Eldorado
Antiy-AVL Virus/Win32.PolyRansom.a
Microsoft Virus:Win32/Nabucur.A
Xcitium Packed.Win32.Graybird.B@5hgpd5
Arcabit Win32.Virlock.Gen.4
ZoneAlarm Virus.Win32.PolyRansom.a
GData Dropped:Win32.Virlock.Gen.4
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Agent.C638970
Acronis suspicious
VBA32 Virus.VirLock
ALYac Dropped:Win32.Virlock.Gen.4
MAX malware (ai score=80)
Cylance unsafe
Panda Generic Suspicious
Rising Malware.Undefined!8.C (TFE:2:Si1JcJNchiO)
Yandex Virus.Virlock.Gen.AAJ
SentinelOne Static AI – Malicious PE
MaxSecure Virus.PolyRansom.a
Fortinet W32/Virlock.K
BitDefenderTheta AI:Packer.363C827B1E
AVG Win32:VirLock [Inf]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

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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