Trojan:Win32/Gandcrab

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Trojan:Win32/Gandcrab infection?

In this post you will certainly find about the meaning of Trojan:Win32/Gandcrab and its adverse impact on your computer system. Such ransomware are a kind of malware that is specified by on-line fraudulences to require paying the ransom money by a target.

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In the majority of the cases, Trojan:Win32/Gandcrab virus will instruct its victims to launch funds move for the purpose of counteracting the amendments that the Trojan infection has introduced to the victim’s gadget.

Trojan:Win32/Gandcrab Summary

These modifications can be as follows:

  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Detects the presence of Wine emulator via function name;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • 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.
  • Operates on local firewall’s policies and settings;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the target’s hard drive — so the victim can no more make use of the data;
  • Preventing routine accessibility 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.

Trojan:Win32/Gandcrab

The most normal networks whereby Trojan:Win32/Gandcrab Ransomware are injected are:

  • By ways of phishing emails;
  • As an effect of customer winding up on a resource that holds a malicious software application;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s PC or protect against the gadget from operating in a proper way – while also putting a ransom money note that states the requirement for the sufferers to impact the repayment for the purpose of decrypting the records or restoring the documents system back to the first problem. In many instances, the ransom money note will certainly come up when the client restarts the COMPUTER after the system has actually currently been damaged.

Trojan:Win32/Gandcrab circulation channels.

In various corners of the globe, Trojan:Win32/Gandcrab grows by leaps as well as bounds. Nevertheless, the ransom money notes as well as techniques of obtaining the ransom quantity may vary relying on particular regional (regional) settings. The ransom money notes as well as techniques of extorting the ransom money amount might vary depending on specific neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software application.

    In specific areas, the Trojans often wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s gadget. The sharp then requires the customer to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In countries where software application piracy is much less preferred, this method is not as reliable for the cyber scams. Alternatively, the Trojan:Win32/Gandcrab popup alert may incorrectly declare to be originating from a law enforcement organization and also will certainly report having situated youngster pornography or other unlawful data on the gadget.

    Trojan:Win32/Gandcrab popup alert might incorrectly declare to be deriving from a legislation enforcement institution and will report having located youngster porn or other prohibited data on the device. The alert will similarly include a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 4072FF56
md5: 6a07df182a654e90300ac274f2f7f578
name: 6A07DF182A654E90300AC274F2F7F578.mlw
sha1: 7ef00a6bfe71b1d8087b90a1a01766a0a347610e
sha256: 6a884140e5f94e8c2dafb9182fe4c6223cbd7b9979c3cbb6b7813740f6a345b7
sha512: 5eb2280c8e5793f59ac78a2f400db7f6f77869208d4e2b18a46696fb323a7d0d6140f6244a99bb35cd69eb1bc3f6b432cce467f166c38e9dafa48148f579811c
ssdeep: 384:aRwagaEc9/HF6rQ4kAOcvSj3OxWDWh1KWDZhTd10UDmBvryp:I1gqPqAcaj0Wyhlb0UqBe
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Gandcrab also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053317d1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.13229
Cynet Malicious (score: 100)
ALYac Generic.Malware.SYd!dld!.68900BD5
Cylance Unsafe
Zillya Worm.Phorpiex.Win32.551
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0053317d1 )
Cybereason malicious.82a654
Cyren W32/Phorpiex.J.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Phorpiex.J
APEX Malicious
Avast Win32:BotX-gen [Trj]
ClamAV Win.Malware.Syddld-7059368-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Generic.Malware.SYd!dld!.68900BD5
NANO-Antivirus Trojan.Win32.Panda.fdedlt
MicroWorld-eScan Generic.Malware.SYd!dld!.68900BD5
Tencent Win32.Worm.Phorpiex.Wnml
Ad-Aware Generic.Malware.SYd!dld!.68900BD5
Sophos ML/PE-A + Mal/Phorpiex-A
F-Secure Heuristic.HEUR/AGEN.1125245
BitDefenderTheta AI:Packer.63259C051F
TrendMicro Mal_DLDER
McAfee-GW-Edition BehavesLike.Win32.Generic.mm
FireEye Generic.mg.6a07df182a654e90
Emsisoft Generic.Malware.SYd!dld!.68900BD5 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.cemop
Avira HEUR/AGEN.1125245
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Heur.KVMH017.a.(kcloud)
Microsoft Trojan:Win32/Gandcrab
Arcabit Generic.Malware.SYd!dld!.68900BD5
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Generic.Malware.SYd!dld!.68900BD5
AhnLab-V3 Malware/Win32.Dlder.C2718433
Acronis suspicious
McAfee New Malware.ca
MAX malware (ai score=82)
VBA32 BScope.Trojan.Zonidel
Malwarebytes Trojan.Phorpiex
TrendMicro-HouseCall Mal_DLDER
Rising Worm.Phorpiex!8.48D (TFE:dGZlOgUjS01VgCcBCA)
Yandex Trojan.GenAsa!0TPLScKGSqM
Ikarus Worm.Win32.Phorpiex
Fortinet W32/Phorpiex.J!worm
AVG Win32:BotX-gen [Trj]
Qihoo-360 Win32/Ransom.GandCrab.HwcBEpsA

How to remove Trojan:Win32/Gandcrab 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.

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 Trojan:Win32/Gandcrab 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 Trojan:Win32/Gandcrab 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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