Win32/Virlock.C

What is Win32/Virlock.C infection?

In this post you will certainly locate regarding the definition of Win32/Virlock.C and its negative impact on your computer. Such ransomware are a kind of malware that is specified by online frauds to demand paying the ransom money by a victim.

Most of the cases, Win32/Virlock.C virus will certainly advise its targets to initiate funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has introduced to the victim’s gadget.

Win32/Virlock.C Summary

These modifications can be as follows:

  • Executable code extraction;
  • Attempts to connect to a dead IP:Port (3 unique times);
  • Creates RWX memory;
  • Detected script timer window indicative of sleep style evasion;
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Likely virus infection of existing system binary;
  • Attempts to disable UAC;
  • 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;
  • Ciphering the documents found on the target’s disk drive — so the target can no more utilize the information;
  • Preventing normal accessibility to the victim’s workstation;

Win32/Virlock.C

One of the most typical channels through which Win32/Virlock.C Ransomware are injected are:

  • By methods of phishing emails;
  • As a consequence of user winding up on a resource that organizes a destructive software application;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s PC or prevent the tool from working in a proper way – while also placing a ransom money note that discusses the demand for the victims to effect the payment for the function of decrypting the papers or restoring the file system back to the initial problem. In a lot of instances, the ransom money note will certainly show up when the client reboots the PC after the system has actually currently been harmed.

Win32/Virlock.C distribution channels.

In numerous edges of the globe, Win32/Virlock.C expands by leaps as well as bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom money quantity might differ relying on certain neighborhood (regional) settings. The ransom money notes as well as methods of obtaining the ransom money quantity might differ depending on specific local (local) setups.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software program.

    In particular areas, the Trojans usually wrongfully report having discovered some unlicensed applications made it possible for on the victim’s gadget. The sharp then demands the user to pay the ransom.

    Faulty declarations regarding prohibited content.

    In countries where software piracy is much less prominent, this approach is not as reliable for the cyber frauds. Alternatively, the Win32/Virlock.C popup alert may wrongly assert to be originating from a police establishment and also will report having situated kid pornography or other unlawful information on the gadget.

    Win32/Virlock.C popup alert may falsely declare to be deriving from a law enforcement establishment as well as will report having situated youngster pornography or other prohibited information on the device. The alert will likewise consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 8D9D9F9Cmd5: 04f6cd9b651bde4a46cc7d5fa37b5a4cname: 04F6CD9B651BDE4A46CC7D5FA37B5A4C.mlwsha1: 033a6c05561e21241e67c9efb83b2a0d92db6891sha256: dd596f5456a74b70aa1c39ca70bc060a945d42d789d50adddad717f7f55e55f5sha512: fc24b0de78409ec49ef9ff8323689ef452c4b3b186d8eac46dacf4504d7cf6739a9a2dc8ecd422d3f6dc9a9dd6b8637753a59a39013ba58f5ff2f6215c5f5d1dssdeep: 12288:dIjsPukUE+Oab3/FKMEQX6ch/rdMysxK8coIMQrSmi/S8XiK:CjsGkUJz7EQPxdMyOKKa3i//SKtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Virlock.C also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Virus ( 0040f99f1 )
Elastic malicious (high confidence)
DrWeb Trojan.Packed.19696
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.PolyRansom.B2
ALYac Gen:Trojan.Heur.RP.TmGfb84mdtni
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7GW Virus ( 0040f99f1 )
Cybereason malicious.b651bd
Cyren W32/A-eb557c81!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Virlock.C
APEX Malicious
Avast Win32:VirLock [Inf]
ClamAV BC.Win.Virus.Ransom-9157.B
Kaspersky Trojan-Ransom.Win32.Blocker.idjr
BitDefender Gen:Trojan.Heur.RP.TmGfb84mdtni
NANO-Antivirus Trojan.Win32.PolyRansom.exypia
MicroWorld-eScan Gen:Trojan.Heur.RP.TmGfb84mdtni
Tencent Win32.Trojan.Blocker.Hfi
Ad-Aware Gen:Trojan.Heur.RP.TmGfb84mdtni
Sophos ML/PE-A + W32/VirRnsm-A
BitDefenderTheta AI:Packer.82B2FCFB1F
VIPRE Trojan.Win32.Generic.pak!cobra
TrendMicro PE_VIRLOCK.E
McAfee-GW-Edition BehavesLike.Win32.Generic.bc
FireEye Generic.mg.04f6cd9b651bde4a
Emsisoft Gen:Trojan.Heur.RP.TmGfb84mdtni (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.cff
Avira HEUR/AGEN.1119578
eGambit Unsafe.AI_Score_100%
Microsoft TrojanSpy:Win32/Ursnif
Arcabit Trojan.Heur.RP.TmGfb84mdtni
GData Gen:Trojan.Heur.RP.TmGfb84mdtni
TACHYON Virus/W32.VirRansom.C
AhnLab-V3 Win32/Nabucur.B
McAfee Artemis!04F6CD9B651B
MAX malware (ai score=83)
VBA32 Virus.VirLock
Malwarebytes PolyRansom.Virus.FileInfector.DDS
Panda Trj/CI.A
TrendMicro-HouseCall PE_VIRLOCK.E
Ikarus Virus-Ransom.FileLocker
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Virlock.K
AVG Win32:VirLock [Inf]
Paloalto generic.ml

How to remove Win32/Virlock.C virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

Run the setup file.

Run Setup.exe
GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Win32/Virlock.C you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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