Trojan:Win32/Calelk.A

What is Trojan:Win32/Calelk.A infection?

In this short article you will find concerning the meaning of Trojan:Win32/Calelk.A and its negative effect on your computer system. Such ransomware are a form of malware that is clarified by on-line scams to demand paying the ransom by a sufferer.

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Most of the cases, Trojan:Win32/Calelk.A ransomware will advise its victims to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has presented to the victim’s tool.

Trojan:Win32/Calelk.A 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.
  • A process attempted to delay the analysis task by a long amount of time.;
  • 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 copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the victim’s hard disk drive — so the victim can no longer make use of the information;
  • Preventing routine accessibility 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:Win32/Calelk.A

The most regular channels where Trojan:Win32/Calelk.A Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of customer winding up on a source that organizes a malicious software application;

As soon as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s PC or avoid the device from functioning in an appropriate manner – while also positioning a ransom money note that discusses the requirement for the victims to effect the payment for the purpose of decrypting the files or recovering the documents system back to the first condition. In many circumstances, the ransom money note will come up when the client restarts the COMPUTER after the system has currently been harmed.

Trojan:Win32/Calelk.A distribution channels.

In various corners of the globe, Trojan:Win32/Calelk.A grows by leaps and bounds. However, the ransom money notes and methods of obtaining the ransom money amount might vary depending upon specific neighborhood (local) settings. The ransom money notes as well as techniques of extorting the ransom amount may vary depending on certain regional (local) setups.

Ransomware injection

For example:

    Faulty signals about unlicensed software application.

    In particular areas, the Trojans commonly wrongfully report having actually discovered some unlicensed applications enabled on the target’s tool. The sharp then demands the user to pay the ransom.

    Faulty statements regarding prohibited content.

    In countries where software piracy is less popular, this technique is not as effective for the cyber scams. Alternatively, the Trojan:Win32/Calelk.A popup alert might wrongly declare to be originating from a police institution and will certainly report having located kid porn or various other unlawful data on the gadget.

    Trojan:Win32/Calelk.A popup alert might falsely declare to be obtaining from a law enforcement establishment and also will report having situated kid pornography or various other unlawful data on the tool. The alert will similarly have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: F2362AD1
md5: 322c46f1d8fd493c3a89ba1f1e262614
name: 322C46F1D8FD493C3A89BA1F1E262614.mlw
sha1: 1a3ba5c7a454af5bf02116e6e1b38f539d3c49a3
sha256: 7a714bd24e0a4cd9f1c906e2bce1399805146487fbd2a59fc9416eea5074185f
sha512: a461e7e664db53112d570a01df7bfab486a0f230ab0bc116520c8a64e26a70f93b23174284f19e12b9c68da696c2134a8df9e0a059ec1a4b6275b1f8d816d49d
ssdeep: 384:/AImmZG1th40ZFyrt6NZD9x5DdjR5UECOfqElMtDezI:Iz40Q6NZD9xvH7Gt6I
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: x424x430x439x43b
FileVersion: 1.00
FileDescription: x424x430x439x43b
Translation: 0x0409 0x04b0

Trojan:Win32/Calelk.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005310b91 )
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.2430
Cynet Malicious (score: 100)
ALYac Trojan.Generic.4853399
Zillya Trojan.SMSer.Win32.591
Sangfor Trojan.Win32.Calelk.A
Alibaba Trojan:Win32/FSWarning.5d15e790
K7GW Trojan ( 005310b91 )
Cybereason malicious.1d8fd4
Cyren W32/Trojan.NFXO-2683
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/LockScreen.QX
APEX Malicious
TotalDefense Win32/Ransom.DU
Avast Win32:Ransom-CD [Trj]
ClamAV Win.Trojan.Ransom-626
Kaspersky Trojan-Ransom.Win32.FSWarning.a
BitDefender Trojan.Generic.4853399
NANO-Antivirus Trojan.Win32.SMSer.bjxix
ViRobot Trojan.Win32.A.FSWarning.27648
MicroWorld-eScan Trojan.Generic.4853399
Tencent Malware.Win32.Gencirc.10c6c841
Ad-Aware Trojan.Generic.4853399
Sophos Mal/Generic-R + Troj/Scar-AE
Comodo TrojWare.Win32.Scar.CL@270z6w
BitDefenderTheta AI:Packer.839FDA721F
VIPRE Trojan-Ransom.Win32.PornoBlocker.auc (v)
McAfee-GW-Edition GenericR-FIJ!322C46F1D8FD
FireEye Generic.mg.322c46f1d8fd493c
Emsisoft Trojan.Generic.4853399 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/SMSer.mr
Avira TR/Ransom.smouw
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/Calelk.A
Arcabit Trojan.Generic.D4A0E97
AegisLab Trojan.Win32.FSWarning.j!c
ZoneAlarm Trojan-Ransom.Win32.FSWarning.a
GData Trojan.Generic.4853399
TACHYON Trojan/W32.SMSer.27648
AhnLab-V3 Trojan/Win32.Scar.R17444
Acronis suspicious
McAfee GenericR-FIJ!322C46F1D8FD
MAX malware (ai score=85)
VBA32 Trojan.MTA.01004
Malwarebytes Malware.AI.3924704969
Panda Trj/Genetic.gen
Rising Ransom.FSWarning!8.5CFE (CLOUD)
Ikarus Trojan-Ransom.PornoBrick
MaxSecure Trojan.Malware.1466168.susgen
Fortinet W32/Generic.AC.2B823A!tr
AVG Win32:Ransom-CD [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HxQBaGAA

How to remove Trojan:Win32/Calelk.A virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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:Win32/Calelk.A 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:Win32/Calelk.A 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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