Trojan-Ransom.Win32.GandCrypt.ajh

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

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

In this short article you will find regarding the definition of Trojan-Ransom.Win32.GandCrypt.ajh and its negative influence on your computer system. Such ransomware are a kind of malware that is specified by online scams to require paying the ransom money by a victim.

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Most of the situations, Trojan-Ransom.Win32.GandCrypt.ajh virus will instruct its targets to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has presented to the target’s device.

Trojan-Ransom.Win32.GandCrypt.ajh Summary

These adjustments 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.
  • A process attempted to delay the analysis task.;
  • 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
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • 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 papers situated on the sufferer’s hard disk — so the sufferer can no more utilize the information;
  • Preventing routine access to the target’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-Ransom.Win32.GandCrypt.ajh

One of the most typical channels whereby Trojan-Ransom.Win32.GandCrypt.ajh Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of user winding up on a resource that hosts a malicious software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s computer or avoid the gadget from working in an appropriate way – while also placing a ransom money note that mentions the requirement for the sufferers to effect the settlement for the function of decrypting the papers or recovering the file system back to the initial problem. In the majority of instances, the ransom note will certainly come up when the client reboots the PC after the system has actually currently been harmed.

Trojan-Ransom.Win32.GandCrypt.ajh distribution channels.

In numerous edges of the world, Trojan-Ransom.Win32.GandCrypt.ajh expands by leaps and bounds. However, the ransom notes as well as techniques of extorting the ransom money quantity might differ relying on certain local (local) setups. The ransom notes and also methods of obtaining the ransom amount might vary depending on particular regional (regional) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software program.

    In particular areas, the Trojans often wrongfully report having actually detected some unlicensed applications made it possible for on the target’s gadget. The sharp after that demands the individual to pay the ransom money.

    Faulty statements about prohibited content.

    In countries where software program piracy is less popular, this approach is not as effective for the cyber fraudulences. Conversely, the Trojan-Ransom.Win32.GandCrypt.ajh popup alert might falsely assert to be deriving from a law enforcement institution and will certainly report having located youngster porn or other prohibited data on the gadget.

    Trojan-Ransom.Win32.GandCrypt.ajh popup alert may wrongly declare to be acquiring from a legislation enforcement institution and also will report having located kid porn or other illegal information on the gadget. The alert will in a similar way consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 5394DE79
md5: 96c5a0d93ed5fc5a2c49131bfae70177
name: 96C5A0D93ED5FC5A2C49131BFAE70177.mlw
sha1: f255501ea19430d0bea4609ba380bc484eecfcd0
sha256: 7dfe49776d5a058e02ebb34d01370cec2a9c03b25e7017664f78dd48d3af6f2b
sha512: 89122ab8f9e5b7543de6228cae97de3e838d38a00c5f82925abd439288d4c748190299075b03450e624cb10a7030bfbcd67747b798086422d22ab0aeb3c8dbc2
ssdeep: 6144:YrAFWBJXA3lbhtUTSllBe0uhQlTl1NNnTf:Yr3BJXIlbhtUTSA0qQlTlZTf
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0053305e1 )
Elasticmalicious (high confidence)
DrWebTrojan.DownLoader26.42874
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Mauvaise.SL1
ALYacTrojan.Ransom.GandCrab.Gen.2
CylanceUnsafe
ZillyaTrojan.Chapak.Win32.3806
SangforWin.Packed.Gandcrab-6520432-4
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 0053305e1 )
Cybereasonmalicious.93ed5f
CyrenW32/S-2dbfb35e!Eldorado
SymantecPacked.Generic.525
ESET-NOD32Win32/Filecoder.GandCrab.B
ZonerTrojan.Win32.68413
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packed.Gandcrab-6520432-4
KasperskyTrojan-Ransom.Win32.GandCrypt.ajh
BitDefenderTrojan.Ransom.GandCrab.Gen.2
NANO-AntivirusTrojan.Win32.Chapak.fbmyyo
ViRobotTrojan.Win32.GandCrab.Gen.A
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
TencentMalware.Win32.Gencirc.10b4ec88
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
SophosML/PE-A + Mal/Agent-AUL
ComodoTrojWare.Win32.Chapak.GB@7n77xn
BitDefenderThetaGen:NN.ZexaF.34628.ouX@aWGcffhi
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_GANDCRAB.SMD4
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.96c5a0d93ed5fc5a
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Generic.ccvls
AviraTR/Ransom.pazuz
eGambitUnsafe.AI_Score_99%
MicrosoftRansom:Win32/GandCrab.AF!bit
ArcabitTrojan.Ransom.GandCrab.Gen.2
AegisLabTrojan.Win32.GandCrypt.j!c
ZoneAlarmTrojan-Ransom.Win32.GandCrypt.ajh
GDataTrojan.Ransom.GandCrab.Gen.2
TACHYONRansom/W32.GandCrab
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
McAfeeTrojan-FPQB!96C5A0D93ED5
MAXmalware (ai score=100)
VBA32BScope.Trojan.Encoder
MalwarebytesTrojan.MalPack.GS
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_GANDCRAB.SMD4
RisingTrojan.Kryptik!1.B229 (CLOUD)
IkarusTrojan-Ransom.GandCrab
MaxSecureRansomeware.GandCrypt.Gen
FortinetW32/GenKryptik.CNAR!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Ransom.814

How to remove Trojan-Ransom.Win32.GandCrypt.ajh 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.ajh 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan-Ransom.Win32.GandCrypt.ajh 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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