VirTool:Win32/CobaltStrike.A

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

What is VirTool:Win32/CobaltStrike.A infection?

In this short article you will certainly discover about the meaning of VirTool:Win32/CobaltStrike.A and also its unfavorable effect on your computer. Such ransomware are a type of malware that is elaborated by on-line scams to require paying the ransom money by a target.

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Most of the instances, VirTool:Win32/CobaltStrike.A virus will certainly instruct its victims to launch funds move for the function of counteracting the modifications that the Trojan infection has actually presented to the victim’s device.

VirTool:Win32/CobaltStrike.A Summary

These modifications can be as follows:

  • Executable code extraction;
  • Presents an Authenticode digital signature;
  • Possible date expiration check, exits too soon after checking local time;
  • Creates RWX memory;
  • Reads data out of its own binary image;
  • Drops a binary and executes it;
  • Ciphering the records situated on the target’s disk drive — so the target can no more utilize the information;
  • Preventing regular access to the sufferer’s workstation;

VirTool:Win32/CobaltStrike.A

The most regular channels through which VirTool:Win32/CobaltStrike.A Trojans are infused are:

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

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s PC or prevent the device from functioning in a proper fashion – while additionally placing a ransom note that mentions the requirement for the victims to effect the repayment for the objective of decrypting the files or bring back the file system back to the first problem. In most circumstances, the ransom note will show up when the customer reboots the PC after the system has currently been damaged.

VirTool:Win32/CobaltStrike.A circulation networks.

In numerous edges of the globe, VirTool:Win32/CobaltStrike.A expands by leaps as well as bounds. Nevertheless, the ransom notes as well as tricks of obtaining the ransom amount may vary depending on certain regional (regional) settings. The ransom notes as well as techniques of obtaining the ransom money quantity might vary depending on specific neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software program.

    In specific locations, the Trojans commonly wrongfully report having spotted some unlicensed applications allowed on the sufferer’s device. The alert after that demands the customer to pay the ransom.

    Faulty declarations concerning unlawful content.

    In nations where software program piracy is less popular, this method is not as reliable for the cyber frauds. Additionally, the VirTool:Win32/CobaltStrike.A popup alert might incorrectly assert to be deriving from a police institution and also will certainly report having located child pornography or various other prohibited information on the tool.

    VirTool:Win32/CobaltStrike.A popup alert might incorrectly assert to be deriving from a law enforcement organization as well as will report having situated youngster porn or various other illegal information on the device. The alert will in a similar way include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 15EC1C9B
md5: ec3b501e034df0b9e6c4ca07ff73d0a4
name: EC3B501E034DF0B9E6C4CA07FF73D0A4.mlw
sha1: 45a4b5592af9f1339184c74014b09a739df62f5f
sha256: bc8e130188ff6691bee36fd59a904b1dedfadaf0acd502438db9c46d05c7b752
sha512: c5c91a764c70d9e5c2923e8366d77a6877a3384a4046cf39f8164b1462208faf278370fe99791ce171c2823af80715cd03a6f9028424240e44a5f4fedaf0a7b3
ssdeep: 12288:q3TD4DnRfwKl+zNBS1CiRpjLp0cstd12CNBjIgp:mTQuKl+zNBS19vprMD2op
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

VirTool:Win32/CobaltStrike.A also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusRiskware ( 0040eff71 )
LionicTrojan.Win64.Shelma.4!c
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
CylanceUnsafe
SangforTrojan.Win64.Shelma.ahh
AlibabaTrojan:Win64/Shelma.ea6b9db8
K7GWRiskware ( 0040eff71 )
CyrenW32/Outbrowse.M.gen!Eldorado
SymantecTrojan.Gen.MBT
ESET-NOD32a variant of Win32/Starter.NDR
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan.Win64.Shelma.ahh
NANO-AntivirusTrojan.Win32.Starter.fkniag
TencentWin64.Trojan.Shelma.Akyt
SophosMal/Generic-S
ComodoMalware@#13o768pg3yqhj
BitDefenderThetaGen:NN.ZedlaF.34050.gu4@aCdykOhi
McAfee-GW-EditionArtemis!Trojan
FireEyeGeneric.mg.ec3b501e034df0b9
eGambitPE.Heur.InvalidSig
MicrosoftVirTool:Win32/CobaltStrike.A
AhnLab-V3Malware/Gen.Generic.C2836392
McAfeeArtemis!EC3B501E034D
PandaTrj/CI.A
IkarusTrojan.Win32.Starter
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Starter.NDR!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win64/Ransom.DogHousePower.HgIASQwA

How to remove VirTool:Win32/CobaltStrike.A 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 VirTool:Win32/CobaltStrike.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 VirTool:Win32/CobaltStrike.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/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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