Trojan-Ransom.Win32.GandCrypt.vo

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

What is Trojan-Ransom.Win32.GandCrypt.vo infection?

In this short article you will discover concerning the meaning of Trojan-Ransom.Win32.GandCrypt.vo and its adverse effect on your computer system. Such ransomware are a form of malware that is elaborated by online fraudulences to require paying the ransom money by a target.

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In the majority of the situations, Trojan-Ransom.Win32.GandCrypt.vo virus will advise its sufferers to launch funds transfer for the function of neutralizing the changes that the Trojan infection has presented to the victim’s device.

Trojan-Ransom.Win32.GandCrypt.vo Summary

These alterations can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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
  • Attempts to identify installed AV products by installation directory;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s disk drive — so the victim can no more utilize the data;
  • Preventing normal accessibility to the victim’s workstation;

Trojan-Ransom.Win32.GandCrypt.vo

The most regular networks whereby Trojan-Ransom.Win32.GandCrypt.vo Trojans are infused are:

  • By means of phishing emails;
  • As an effect of user ending up on a resource that holds a harmful software;

As quickly as the Trojan is effectively injected, it will either cipher the data on the victim’s PC or avoid the device from working in an appropriate way – while likewise positioning a ransom money note that discusses the need for the sufferers to impact the payment for the objective of decrypting the records or restoring the documents system back to the initial condition. In most circumstances, the ransom money note will come up when the customer restarts the COMPUTER after the system has actually already been damaged.

Trojan-Ransom.Win32.GandCrypt.vo circulation networks.

In various edges of the globe, Trojan-Ransom.Win32.GandCrypt.vo expands by jumps and also bounds. Nonetheless, the ransom money notes and techniques of obtaining the ransom quantity might differ relying on specific local (local) settings. The ransom money notes and techniques of extorting the ransom amount may vary depending on specific neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software application.

    In certain locations, the Trojans usually wrongfully report having actually discovered some unlicensed applications enabled on the victim’s device. The sharp after that requires the user to pay the ransom money.

    Faulty declarations about prohibited web content.

    In countries where software program piracy is less prominent, this technique is not as efficient for the cyber fraudulences. Additionally, the Trojan-Ransom.Win32.GandCrypt.vo popup alert may wrongly declare to be stemming from a police organization and will certainly report having located child porn or various other prohibited information on the device.

    Trojan-Ransom.Win32.GandCrypt.vo popup alert may wrongly assert to be obtaining from a law enforcement organization as well as will report having located child pornography or other illegal data on the tool. The alert will similarly consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: FFA46AD2
md5: 39ef40b2ffc6e511541726860206e635
name: 39EF40B2FFC6E511541726860206E635.mlw
sha1: cdc9d630cbc5c3d63e740ddc2aaf6420b9b6c811
sha256: 74f1811c31cd4761c0cc3cd114b2436fbbbd6631fdd24fe6d70cc4a50811363a
sha512: cf3706c303565600624a16821037168143b4335ed4fb1a61f5e0474e88ca5c5af68494934ccb395ed297092396f1971da6e4a37652cf3815191b2919f85f1d17
ssdeep: 3072:OwhIgUggQUdrI3qcX05Mzhzo+LXXvdkwmLziOqDBFumMW8gvUqg9Ae6Y2XX9PMRu:egeRdk7XIUKNLziOqfcg9AAVBXCKnKm
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan-Ransom.Win32.GandCrypt.vo also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0053305e1 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Banker1.27041
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ6
ALYacTrojan.Ransom.GandCrab.Gen.2
CylanceUnsafe
ZillyaBackdoor.Mokes.Win32.1170
SangforWin.Packed.Gandcrab-6552923-4
CrowdStrikewin/malicious_confidence_100% (W)
K7GWTrojan ( 0052dee81 )
Cybereasonmalicious.2ffc6e
CyrenW32/Chapak.OXJE-3801
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GFPZ
APEXMalicious
AvastFileRepMalware
ClamAVWin.Packed.Gandcrab-6552923-4
KasperskyTrojan-Ransom.Win32.GandCrypt.vo
BitDefenderTrojan.Ransom.GandCrab.Gen.2
NANO-AntivirusTrojan.Win32.Reconyc.fagrdm
ViRobotTrojan.Win32.GandCrab.Gen.A
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
TencentMalware.Win32.Gencirc.10b2a3be
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
SophosML/PE-A + Mal/Agent-AUL
ComodoTrojWare.Win32.GandCrab.GF@7m5bnn
BitDefenderThetaGen:NN.ZexaF.34670.puX@aGw4ULii
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_GANDCRAB.SMALY-3
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.39ef40b2ffc6e511
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.PSW.Coins.f
AviraHEUR/AGEN.1115408
Antiy-AVLTrojan/Win32.TSGeneric
MicrosoftTrojan:Win32/GandCrab.KDS!MTB
ArcabitTrojan.Ransom.GandCrab.Gen.2
AegisLabTrojan.Win32.GandCrypt.j!c
ZoneAlarmTrojan-Ransom.Win32.GandCrypt.vo
GDataTrojan.Ransom.GandCrab.Gen.2
TACHYONRansom/W32.Agent.253960
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
McAfeePacked-FCX!39EF40B2FFC6
MAXmalware (ai score=100)
VBA32BScope.Trojan.Chapak
MalwarebytesTrojan.MalPack.GS
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_GANDCRAB.SMALY-3
RisingRansom.GandCrypt!8.F33E (TFE:dGZlOgUOgUZWyuV+xw)
IkarusTrojan.Win32.Danabot
MaxSecureTrojan.Emotet.Gen.3
FortinetW32/GenKryptik.DQHN!tr
AVGFileRepMalware
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Ransom.26c

How to remove Trojan-Ransom.Win32.GandCrypt.vo virus?

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-Ransom.Win32.GandCrypt.vo 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-Ransom.Win32.GandCrypt.vo 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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