Trojan-Ransom.Win32.GandCrypt.cdc

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

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

In this post you will find about the definition of Trojan-Ransom.Win32.GandCrypt.cdc and its negative effect on your computer. Such ransomware are a type of malware that is clarified by on-line fraudulences to demand paying the ransom by a target.

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In the majority of the situations, Trojan-Ransom.Win32.GandCrypt.cdc infection will certainly instruct its sufferers to initiate funds move for the purpose of counteracting the modifications that the Trojan infection has presented to the victim’s device.

Trojan-Ransom.Win32.GandCrypt.cdc 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.
  • 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.

  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Danish;
  • 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;
  • 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 located on the target’s hard disk drive — so the sufferer can no more utilize the information;
  • Preventing normal 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.
Similar behavior
Related domains
ipv4bot.whatismyipaddress.comTrojan.Ransom.GandCrab.Gen.2
ns1.wowservers.ruTrojan.Ransom.GandCrab.Gen.2
carder.bitTrojan.Ransom.GandCrab.Gen.2
ns2.wowservers.ruTrojan.Ransom.GandCrab.Gen.2
ransomware.bitTrojan.Ransom.GandCrab.Gen.2

Trojan-Ransom.Win32.GandCrypt.cdc

One of the most typical channels where Trojan-Ransom.Win32.GandCrypt.cdc Ransomware are injected are:

  • By means of phishing e-mails;
  • As a consequence of user winding up on a source that holds a harmful software;

As soon as the Trojan is efficiently infused, it will either cipher the information on the victim’s PC or avoid the gadget from working in a correct manner – while also putting a ransom money note that states the requirement for the sufferers to impact the settlement for the function of decrypting the files or restoring the data system back to the preliminary problem. In many circumstances, the ransom money note will certainly show up when the customer restarts the PC after the system has actually currently been harmed.

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

In numerous corners of the globe, Trojan-Ransom.Win32.GandCrypt.cdc expands by leaps as well as bounds. However, the ransom money notes and methods of extorting the ransom amount may differ relying on particular regional (local) settings. The ransom notes and also tricks of extorting the ransom quantity might differ depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty signals about unlicensed software application.

    In certain locations, the Trojans often wrongfully report having actually discovered some unlicensed applications enabled on the sufferer’s gadget. The sharp then requires the customer to pay the ransom money.

    Faulty declarations about prohibited content.

    In nations where software application piracy is less prominent, this approach is not as effective for the cyber fraudulences. Conversely, the Trojan-Ransom.Win32.GandCrypt.cdc popup alert may incorrectly declare to be stemming from a law enforcement organization and also will certainly report having situated child porn or other prohibited data on the gadget.

    Trojan-Ransom.Win32.GandCrypt.cdc popup alert might wrongly claim to be obtaining from a legislation enforcement organization and will report having located child porn or various other unlawful data on the gadget. The alert will likewise include a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: A027700D
md5: 435fe0f62a531bf06e61a203130bb079
name: 435FE0F62A531BF06E61A203130BB079.mlw
sha1: a748bdfe43bf42090fe7904e80af927eae5f63b7
sha256: 4de5f5bec78b31ef3831740c7d316963ad20019d969bcf1266611928f44d8be6
sha512: ac17cb5f62f5ea870e758ceef9e440e8b0ae46ca4bbc9fbc34b1bfa2cc94c2c42e7ea0ec07cf365ef9f857976eab3a608f87dd7a5b59903fd69e71c78f53942f
ssdeep: 3072:HyIUIY5m6vPyxgzd0If+itJ72OFSQaijD5F4V17+norelKLMpLIlegpFb26+YBwY:HyIDY53+gzJf/SxijD52r0KLKQdlPTR
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.24384
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
FireEyeGeneric.mg.435fe0f62a531bf0
CAT-QuickHealTrojan.Chapak.ZZ5
ALYacTrojan.Ransom.GandCrab.Gen.2
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.GandCrypt.tpWf
SangforWin.Packed.Gandcrab-6520432-4
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.Ransom.GandCrab.Gen.2
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.62a531
BitDefenderThetaGen:NN.ZexaF.34590.ruX@aGcdO6bG
CyrenW32/Ransom.KELD-1541
SymantecPacked.Generic.525
ZonerTrojan.Win32.69569
TrendMicro-HouseCallRansom.Win32.GANDCRAB.SMLA.hp
AvastWin32:RansomX-gen [Ransom]
ClamAVWin.Packed.Gandcrab-6520432-4
KasperskyTrojan-Ransom.Win32.GandCrypt.cdc
AlibabaRansom:Win32/GandCrypt.67e3da00
NANO-AntivirusTrojan.Win32.GandCrypt.fekity
ViRobotTrojan.Win32.GandCrab.Gen.A
RisingTrojan.Kryptik!8.8 (RDMK:cmRtazqXP7ZuGhxdxgI+bwRjdKN6)
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
SophosMal/Generic-R + Mal/Agent-AUL
ComodoTrojWare.Win32.Chapak.GI@7q43kg
F-SecureTrojan.TR/FileCoder.asu
ZillyaBackdoor.Mokes.Win32.1259
TrendMicroRansom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-EditionBehavesLike.Win32.Trojan.dc
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
IkarusTrojan-Ransom.GandCrab
GDataWin32.Trojan-Ransom.GandCrab.N
JiangminTrojan.PSW.Coins.rj
eGambitUnsafe.AI_Score_99%
AviraTR/FileCoder.asu
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.TSGeneric
ArcabitTrojan.Ransom.GandCrab.Gen.2
ZoneAlarmTrojan-Ransom.Win32.GandCrypt.cdc
MicrosoftTrojan:Win32/Predator.PVD!MTB
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
McAfeeGenericRXGG-UT!435FE0F62A53
TACHYONRansom/W32.GandCrab
VBA32BScope.Trojan.Encoder
MalwarebytesTrojan.MalPack
PandaTrj/Genetic.gen
APEXMalicious
ESET-NOD32Win32/Filecoder.GandCrab.B
TencentMalware.Win32.Gencirc.10b3b886
YandexTrojan.GenAsa!3sMt/qLo3mU
SentinelOneStatic AI – Malicious PE
FortinetW32/Agent.BFJ!tr
AVGWin32:RansomX-gen [Ransom]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Trojan.Ransom.ec9

How to remove Trojan-Ransom.Win32.GandCrypt.cdc 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-Ransom.Win32.GandCrypt.cdc 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

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