Win32/Filecoder.GandCrab.F

What is Win32/Filecoder.GandCrab.F infection?

In this post you will discover concerning the definition of Win32/Filecoder.GandCrab.F as well as its negative influence on your computer. Such ransomware are a type of malware that is clarified by on-line fraudulences to require paying the ransom money by a victim.

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Most of the situations, Win32/Filecoder.GandCrab.F infection will certainly instruct its targets to initiate funds move for the objective of counteracting the amendments that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Filecoder.GandCrab.F Summary

These adjustments can be as adheres to:

  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Ciphering the records situated on the victim’s hard disk drive — so the victim can no more use the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/Filecoder.GandCrab.F

The most common networks where Win32/Filecoder.GandCrab.F are injected are:

  • By methods of phishing emails;
  • As a repercussion of customer winding up on a resource that holds a harmful software;

As soon as the Trojan is effectively injected, it will either cipher the information on the victim’s computer or prevent the device from functioning in a proper manner – while also positioning a ransom money note that states the demand for the targets to effect the payment for the function of decrypting the documents or restoring the file system back to the preliminary problem. In a lot of instances, the ransom note will certainly turn up when the client reboots the PC after the system has actually already been damaged.

Win32/Filecoder.GandCrab.F circulation channels.

In various corners of the globe, Win32/Filecoder.GandCrab.F grows by jumps and bounds. However, the ransom money notes as well as techniques of extorting the ransom money quantity may vary depending on particular neighborhood (regional) settings. The ransom notes and also tricks of extorting the ransom amount might differ depending on certain regional (local) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software application.

    In certain locations, the Trojans usually wrongfully report having detected some unlicensed applications allowed on the victim’s tool. The sharp then demands the individual to pay the ransom money.

    Faulty declarations concerning prohibited content.

    In nations where software application piracy is much less popular, this method is not as effective for the cyber scams. Conversely, the Win32/Filecoder.GandCrab.F popup alert may falsely declare to be originating from a law enforcement institution and also will certainly report having situated kid pornography or various other unlawful data on the tool.

    Win32/Filecoder.GandCrab.F popup alert may falsely assert to be obtaining from a legislation enforcement institution and will certainly report having located child pornography or various other prohibited data on the device. The alert will similarly consist of a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 75F941EB
md5: 6b054c8d851cb5a91afb6a3d5bc57886
name: 6B054C8D851CB5A91AFB6A3D5BC57886.mlw
sha1: b79deddeb22a3be798a6cacefb61511f927b2293
sha256: 1791e9d01451f953e74249019654609cd33c2ab66e97f2ed7a609e99f9ce8320
sha512: 62752ae2ac8ac31f8cc28f9b5560fbd31566b5918711d1bca89496944fb2c76f33488b79d1144fea4c8d7ae8effbea34ca281d6be1cf120854abb230b573d0ca
ssdeep: 1536:g/I5zikGDU3YpVhzLLpcJCUZgp2kepphlBbh3g7uTcWNS:sMGkcwuVhvLeCEPkepPfh3g7U
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.GandCrab.F also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00546b581 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.GandCrab
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.12270
Sangfor Ransom.Win32.Gandcrab_3.se
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/GandCrab.08ee2a63
K7GW Trojan ( 00546b581 )
Cybereason malicious.d851cb
Cyren W32/Agent.AYQ.gen!Eldorado
Symantec Ransom.GandCrab!g5
ESET-NOD32 a variant of Win32/Filecoder.GandCrab.F
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Malware.Razy-6829823-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Generic.Ransom.GandCrab5.5B2B9420
NANO-Antivirus Virus.Win32.Gen.ccmw
SUPERAntiSpyware Ransom.GandCrab/Variant
MicroWorld-eScan Generic.Ransom.GandCrab5.5B2B9420
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Generic.Ransom.GandCrab5.5B2B9420
Sophos Mal/Generic-R + Troj/Patched-BY
Comodo TrojWare.Win32.Ransom.GandCrab.F@82ddqu
F-Secure Heuristic.HEUR/AGEN.1102651
BitDefenderTheta AI:Packer.8F4C575421
TrendMicro Ransom.Win32.GANDCRAB.SMILC
McAfee-GW-Edition BehavesLike.Win32.Generic.nh
FireEye Generic.mg.6b054c8d851cb5a9
Emsisoft Generic.Ransom.GandCrab5.5B2B9420 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.dbcor
Webroot W32.Rogue.Gen
Avira HEUR/AGEN.1102651
eGambit Unsafe.AI_Score_81%
Microsoft Ransom:Win32/GandCrab.EH!bit
Arcabit Generic.Ransom.GandCrab5.5B2B9420
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Generic.Ransom.GandCrab5.5B2B9420
TACHYON Ransom/W32.GandCrab.95232
AhnLab-V3 Trojan/Win32.Gandcrab.R254874
Acronis suspicious
McAfee GenericRXHE-JQ!6B054C8D851C
MAX malware (ai score=100)
VBA32 BScope.TrojanRansom.GandCrypt
Malwarebytes Ransom.GandCrab
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMILC
Rising Ransom.GandCrab!1.B63E (CLOUD)
Yandex Trojan.GenAsa!BDtYnSIhzbo
Ikarus Trojan-Ransom.GandCrab
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W32/GandCrab_V5_2!tr.ransom
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.GandCrab.HxQBnmAA

How to remove Win32/Filecoder.GandCrab.F ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

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Press “Install” button.

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Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Filecoder.GandCrab.F files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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