Win32:Crilock-A [Trj]
Daniel Foster
Updated on March 14, 2026
What is Win32:Crilock-A [Trj] infection?
In this article you will certainly locate about the meaning of Win32:Crilock-A [Trj] and also its negative influence on your computer system. Such ransomware are a type of malware that is clarified by online frauds to demand paying the ransom money by a sufferer.
In the majority of the cases, Win32:Crilock-A [Trj] virus will certainly advise its victims to start funds move for the function of neutralizing the changes that the Trojan infection has introduced to the target’s device.
Win32:Crilock-A [Trj] Summary
These adjustments can be as follows:
- 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.
- Mimics the system’s user agent string for its own requests;
- 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.
- Deletes its original binary from disk;
- 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
- 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.
- Creates a copy of itself;
- Ciphering the records found on the sufferer’s disk drive — so the target can no longer make use of the data;
- Preventing routine access to the sufferer’s workstation;
| z.whorecord.xyz | Ransom.Crilock |
| a.tomx.xyz | Ransom.Crilock |
| iyaktjqihjdnqa.org | Ransom.Crilock |
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Win32:Crilock-A [Trj]
One of the most common networks where Win32:Crilock-A [Trj] Trojans are infused are:
- By means of phishing emails;
- As a consequence of user winding up on a resource that organizes a harmful software program;
As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the sufferer’s PC or prevent the device from working in an appropriate fashion – while likewise positioning a ransom money note that mentions the need for the victims to effect the settlement for the function of decrypting the papers or recovering the data system back to the initial problem. In the majority of instances, the ransom money note will show up when the customer reboots the PC after the system has actually currently been damaged.
Win32:Crilock-A [Trj] circulation channels.
In numerous edges of the globe, Win32:Crilock-A [Trj] expands by leaps as well as bounds. Nevertheless, the ransom money notes and also methods of obtaining the ransom quantity may vary relying on specific neighborhood (local) setups. The ransom money notes and also methods of extorting the ransom quantity may vary depending on certain regional (local) setups.
For instance:
Faulty informs about unlicensed software application.
In specific areas, the Trojans usually wrongfully report having actually detected some unlicensed applications made it possible for on the victim’s device. The sharp after that demands the individual to pay the ransom.
Faulty declarations regarding illegal web content.
In nations where software application piracy is less prominent, this approach is not as efficient for the cyber frauds. Additionally, the Win32:Crilock-A [Trj] popup alert may falsely assert to be deriving from a law enforcement institution and also will report having situated child porn or various other unlawful information on the device.
Win32:Crilock-A [Trj] popup alert might wrongly declare to be deriving from a law enforcement organization as well as will certainly report having situated child pornography or various other prohibited data on the tool. The alert will similarly consist of a requirement for the individual to pay the ransom money.
Technical details
File Info:
crc32: 007F02ADmd5: 0204332754da5975b6947294b2d64c92name: 0204332754DA5975B6947294B2D64C92.mlwsha1: a4c60f419c5aa760db9904a59c8d79fce2636d68sha256: 2163570f047cefc466c0ca370e56b6fbb770c4f71603b2353c1b6fd8e482ced8sha512: 31c104a2ee02042d5dabaa910202451a15441e15eee89c6d0c4706c6c398af6ed9a2bb641707c7381836b1be9b7989b2279a3fbff959329e9b2a09919e26341essdeep: 12288:owtTSWbZzmK1tl8gBVkj6VNQJsojXXKI50XZo/6N3VG:owt2WdzxfmVjXr6Zztype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Win32:Crilock-A [Trj] also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.Common.60D0742B |
| K7AntiVirus | Trojan ( 004eb3aa1 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.Inject1.29510 |
| Cynet | Malicious (score: 100) |
| CAT-QuickHeal | Ransom.Crilock |
| ALYac | Trojan.Ransom.CryptoLocker.A |
| Cylance | Unsafe |
| Zillya | Trojan.Blocker.Win32.11652 |
| Sangfor | Ransom.Win32.Crilock.B |
| CrowdStrike | win/malicious_confidence_100% (W) |
| Alibaba | Ransom:Win32/Blocker.aa335c79 |
| K7GW | Trojan ( 004eb3aa1 ) |
| Cybereason | malicious.754da5 |
| Cyren | W32/Trojan.JZJR-6808 |
| Symantec | Ransom.Cryptolock!g4 |
| ESET-NOD32 | Win32/Filecoder.BQ |
| Zoner | Trojan.Win32.19677 |
| APEX | Malicious |
| Avast | Win32:Crilock-A [Trj] |
| ClamAV | Win.Trojan.Agent-1430395 |
| Kaspersky | Trojan-Ransom.Win32.Blocker.cmkv |
| BitDefender | Trojan.GenericKD.1324664 |
| NANO-Antivirus | Trojan.Win32.Zbot.cqimhs |
| ViRobot | Trojan.Win32.S.Ransom.766976 |
| SUPERAntiSpyware | |
| MicroWorld-eScan | Trojan.GenericKD.1324664 |
| Ad-Aware | Trojan.GenericKD.1324664 |
| Sophos | ML/PE-A + Troj/Ransom-ACO |
| Comodo | Malware@#7rm5ij4hscsk |
| BitDefenderTheta | Gen:NN.ZexaF.34692.UmW@a4paT4c |
| VIPRE | Trojan.Win32.Zbot.i (v) |
| TrendMicro | TROJ_CRILOCK.SMJ |
| McAfee-GW-Edition | BehavesLike.Win32.Trojan.bh |
| FireEye | Generic.mg.0204332754da5975 |
| Emsisoft | Trojan.GenericKD.1324664 (B) |
| SentinelOne | Static AI – Malicious PE |
| Jiangmin | Trojan/Win32.crypt.a |
| Webroot | W32.Rogue.Gen |
| Avira | TR/Ransom.Blocker.cmkv |
| eGambit | Unsafe.AI_Score_99% |
| Antiy-AVL | Trojan/Generic.ASMalwS.4B1F8D |
| Kingsoft | Win32.Heur.KVMF58.hy.(kcloud) |
| Microsoft | Ransom:Win32/Crilock.B |
| Arcabit | Trojan.Generic.D143678 |
| AegisLab | Trojan.Win32.Blocker.j!c |
| GData | Win32.Trojan.Agent.DRP44O |
| TACHYON | Trojan/W32.Blocker.766976 |
| AhnLab-V3 | Trojan/Win32.Agent.R84126 |
| McAfee | Ransom-FCW |
| MAX | malware (ai score=100) |
| VBA32 | Hoax.Blocker |
| Panda | Trj/Dtcontx.H |
| TrendMicro-HouseCall | TROJ_CRILOCK.SMJ |
| Rising | Worm.Win32.CryptoLocker.a (CLASSIC) |
| Yandex | Trojan.GenAsa!O4fjOEBM4Kc |
| Ikarus | Trojan.Win32.Crilock |
| Fortinet | W32/Blocker.CMKV!tr |
| AVG | Win32:Crilock-A [Trj] |
| Paloalto | generic.ml |
How to remove Win32:Crilock-A [Trj] virus?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Win32:Crilock-A [Trj] 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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove Win32:Crilock-A [Trj] you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
