Ransom:Win32/GandCrab.AC

Written by Robert Bailey

What is Ransom:Win32/GandCrab.AC infection?

In this article you will locate regarding the definition of Ransom:Win32/GandCrab.AC and its adverse impact on your computer. Such ransomware are a kind of malware that is specified by on the internet scams to demand paying the ransom money by a target.

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Most of the situations, Ransom:Win32/GandCrab.AC virus will instruct its sufferers to initiate funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has introduced to the target’s device.

Ransom:Win32/GandCrab.AC Summary

These modifications can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Reads data out of its own binary image;
  • The binary likely contains encrypted or compressed data.;
  • Uses Windows utilities for basic functionality;
  • Installs itself for autorun at Windows startup;
  • Attempts to identify installed AV products by installation directory;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics;
  • Ciphering the papers located on the sufferer’s hard disk drive — so the target can no longer utilize the information;
  • Preventing normal access to the target’s workstation;

Related domains:

ipv4bot.whatismyipaddress.com Ransom_HPGANDCRAB.SMG
ns1.corp-servers.ru Ransom_HPGANDCRAB.SMG
zonealarm.bit Ransom_HPGANDCRAB.SMG
ns2.corp-servers.ru Ransom_HPGANDCRAB.SMG

Ransom:Win32/GandCrab.AC

One of the most common networks through which Ransom:Win32/GandCrab.AC are infused are:

  • By means of phishing emails;
  • As a consequence of user winding up on a source that hosts a destructive software program;

As soon as the Trojan is successfully infused, it will either cipher the information on the sufferer’s PC or avoid the gadget from working in a correct manner – while additionally placing a ransom money note that mentions the requirement for the targets to impact the settlement for the function of decrypting the records or bring back the file system back to the preliminary condition. In a lot of instances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has actually already been harmed.

Ransom:Win32/GandCrab.AC circulation networks.

In various corners of the globe, Ransom:Win32/GandCrab.AC expands by leaps as well as bounds. Nevertheless, the ransom money notes and also tricks of extorting the ransom money amount might vary relying on specific neighborhood (local) settings. The ransom money notes and also methods of extorting the ransom quantity might differ depending on certain local (regional) setups.

Ransomware injection

As an example:

    Faulty signals about unlicensed software.

    In particular areas, the Trojans usually wrongfully report having spotted some unlicensed applications made it possible for on the victim’s tool. The alert then requires the individual to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In countries where software piracy is much less popular, this technique is not as efficient for the cyber frauds. Conversely, the Ransom:Win32/GandCrab.AC popup alert may falsely claim to be deriving from a law enforcement establishment and also will certainly report having situated youngster pornography or various other illegal information on the tool.

    Ransom:Win32/GandCrab.AC popup alert might incorrectly assert to be deriving from a legislation enforcement establishment and will certainly report having located kid pornography or other illegal information on the gadget. The alert will in a similar way include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 7929B757
md5: 5d897922efbd6496760d933e58af7f04
name: 5d897922efbd6496760d933e58af7f04.exe
sha1: 277769be453c485b7d6c7e2b7eec81103bcf14b6
sha256: 91239321d3acabf9b4c2911ab2dcbd9c83f0695fb94980d2072d54bbb09ca935
sha512: 72c9cbd13ddd41fbee7479a9ec61e91389201da574c8112033cf4d3a50cd5dd2923b07074401c865fa18c5a022856a5189c17e8293341af821a0887e8af936da
ssdeep: 6144:JD1MW6R8c9u9UriRV3tJgkp7E9sXdVyyg6:vM7R8Kor17fdpg6
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/GandCrab.AC also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKDZ.43669
FireEye Generic.mg.5d897922efbd6496
CAT-QuickHeal Trojan.Mauvaise.SL1
McAfee GenericRXFA-GU!5D897922EFBD
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Trojan.GenericKDZ.43669
K7GW Trojan ( 0052ed291 )
K7AntiVirus Trojan ( 0052ed291 )
TrendMicro Ransom_HPGANDCRAB.SMG
F-Prot W32/S-0040c436!Eldorado
Symantec Packed.Generic.525
APEX Malicious
Paloalto generic.ml
ClamAV Win.Packer.Crypter-6539596-1
GData Trojan.GenericKDZ.43669
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Ransom:Win32/GandCrab.895bd0ad
NANO-Antivirus Trojan.Win32.Encoder.faneec
ViRobot Trojan.Win32.GandCrab.Gen.A
Rising Ransom.GandCrab!1.BC54 (CLASSIC)
Ad-Aware Trojan.GenericKDZ.43669
Sophos Mal/Agent-AUL
Comodo TrojWare.Win32.Ransom.Crusis.A@7me98z
F-Secure Trojan.TR/GandCrab.tvnwt
DrWeb Trojan.Encoder.24384
Zillya Trojan.GandCrypt.Win32.151
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Trapmine malicious.high.ml.score
Emsisoft Trojan.GenericKDZ.43669 (B)
Ikarus Trojan-Ransom.GandCrab
Cyren W32/S-0040c436!Eldorado
Jiangmin Trojan.Chapak.gz
Webroot Trojan.Dropper.Gen
Avira TR/GandCrab.tvnwt
MAX malware (ai score=81)
Endgame malicious (high confidence)
Arcabit Trojan.Generic.DAA95
SUPERAntiSpyware Ransom.GandCrab/Variant
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Ransom:Win32/GandCrab.AC
AhnLab-V3 Win-Trojan/Gandcrab02.Exp
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.32515.puX@aiNu2fo
ALYac Trojan.GenericKDZ.43669
VBA32 BScope.Trojan.Chapak
Panda Trj/Genetic.gen
Zoner Trojan.Win32.68397
ESET-NOD32 Win32/Filecoder.GandCrab.B
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMG
Yandex Trojan.GandCrypt!
SentinelOne DFI – Malicious PE
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/Kryptik.GWXD!tr
AVG Win32:Malware-gen
Cybereason malicious.2efbd6
Avast Win32:Malware-gen
Qihoo-360 HEUR/QVM10.2.2305.Malware.Gen

How to remove Ransom:Win32/GandCrab.AC ransomware?

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

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.

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 will automatically start scanning your system for Ransom:Win32/GandCrab.AC 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 Ransom:Win32/GandCrab.AC 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: http://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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