Win32:CryptoLocker-D [Cryp]

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

What is Win32:CryptoLocker-D [Cryp] infection?

In this post you will certainly find concerning the interpretation of Win32:CryptoLocker-D [Cryp] and also its unfavorable influence on your computer system. Such ransomware are a kind of malware that is specified by online frauds to require paying the ransom by a sufferer.

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Most of the cases, Win32:CryptoLocker-D [Cryp] ransomware will advise its sufferers to initiate funds move for the function of neutralizing the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Win32:CryptoLocker-D [Cryp] Summary

These modifications can be as complies with:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.

  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to delete volume shadow copies;
  • A system process is generating network traffic likely as a result of process injection;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • 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 modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Harvests information related to installed mail clients;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the target’s hard disk drive — so the target can no more use the data;
  • Preventing regular 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.

Win32:CryptoLocker-D [Cryp]

One of the most typical networks through which Win32:CryptoLocker-D [Cryp] Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of customer winding up on a resource that holds a malicious software program;

As quickly as the Trojan is successfully infused, it will either cipher the information on the target’s computer or stop the device from operating in a proper manner – while additionally putting a ransom note that points out the need for the targets to impact the payment for the purpose of decrypting the papers or recovering the file system back to the first problem. In the majority of circumstances, the ransom money note will certainly come up when the client reboots the PC after the system has actually currently been harmed.

Win32:CryptoLocker-D [Cryp] distribution channels.

In numerous edges of the globe, Win32:CryptoLocker-D [Cryp] grows by leaps and bounds. Nevertheless, the ransom notes and also methods of extorting the ransom quantity might differ relying on specific local (regional) settings. The ransom notes as well as techniques of obtaining the ransom quantity might differ depending on particular local (regional) setups.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software program.

    In particular areas, the Trojans typically wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s tool. The alert then demands the user to pay the ransom.

    Faulty statements about prohibited content.

    In countries where software program piracy is much less prominent, this technique is not as effective for the cyber frauds. Alternatively, the Win32:CryptoLocker-D [Cryp] popup alert may falsely claim to be stemming from a law enforcement institution as well as will report having located child porn or various other unlawful data on the tool.

    Win32:CryptoLocker-D [Cryp] popup alert might wrongly declare to be deriving from a legislation enforcement organization and also will report having located youngster porn or various other unlawful information on the gadget. The alert will in a similar way contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: FEEEC128
md5: 941fb1cd3fdab89abc35f0a21abd2f45
name: 941FB1CD3FDAB89ABC35F0A21ABD2F45.mlw
sha1: 349c15855c91c341db0bc01cc328a17a3554cbc4
sha256: 5fc92308120aa10dc1062c4c319559ed0b1308befe117d5cafa283e245bea1e9
sha512: 14cf15e0f84f821adfd4dfe3037421291f296e9613db3f77405053e2b4a9a2e18625c2425a56af02bb479ff8e5c6b2eb45808d0054b5dbefd3d9cba213c0ade5
ssdeep: 3072:sTVZEA0R5UeyVSzeIw6upojbcbf0L1siwNGRRH9fZvl2hZm6nE:sxWA0EeKvpdbf0L1si9H9fZvj6E
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32:CryptoLocker-D [Cryp] also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 004b8b881 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.761
CynetMalicious (score: 100)
CAT-QuickHealRansom.Teerac.16514
ALYacGen:Variant.Zusy.284762
CylanceUnsafe
ZillyaTrojan.Crypren.Win32.91
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Deshacop.679a4acf
K7GWTrojan ( 004b8b881 )
Cybereasonmalicious.d3fdab
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Filecoder.TorrentLocker.A
APEXMalicious
AvastWin32:CryptoLocker-D [Cryp]
ClamAVWin.Ransomware.Rack-7169437-0
KasperskyTrojan.Win32.Deshacop.cvq
BitDefenderGen:Variant.Zusy.284762
NANO-AntivirusTrojan.Win32.Crypren.dikbwr
MicroWorld-eScanGen:Variant.Zusy.284762
TencentWin32.Trojan.Raas.Auto
Ad-AwareGen:Variant.Zusy.284762
SophosML/PE-A + Troj/Ransom-ANI
ComodoMalware@#on24m7mtsuu7
BitDefenderThetaGen:NN.ZexaF.34628.nuY@ays!Irci
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom.Win32.CRYPTLOCK.A
McAfee-GW-EditionBehavesLike.Win32.Generic.dh
FireEyeGeneric.mg.941fb1cd3fdab89a
EmsisoftGen:Variant.Zusy.284762 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan/Crypren.af
WebrootW32.Malware.Gen
AviraTR/Crypt.ZPACK.Gen8
eGambitGeneric.Malware
KingsoftWin32.Heur.KVMH017.a.(kcloud)
MicrosoftRansom:Win32/Teerac.A
ArcabitTrojan.Zusy.D4585A
AegisLabTrojan.Win32.Agent.lGYs
GDataGen:Variant.Zusy.284762
AhnLab-V3Win-Trojan/Teerac.Gen
McAfeeRansom-FSF!941FB1CD3FDA
MAXmalware (ai score=100)
VBA32Hoax.Crypren
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom.Win32.CRYPTLOCK.A
RisingRansom.Teerac!8.57A (CLOUD)
YandexTrojan.Crypren!irxv920EEt8
IkarusTrojan-Ransom.Torrentlocker
FortinetW32/Filecoder.DI!tr
AVGWin32:CryptoLocker-D [Cryp]
Paloaltogeneric.ml
Qihoo-360Win32/Worm.CryptoLock.HwoCMwMA

How to remove Win32:CryptoLocker-D [Cryp] 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 Win32:CryptoLocker-D [Cryp] 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 Win32:CryptoLocker-D [Cryp] 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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