Trojan:Win32/CoinMiner.K

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

What is Trojan:Win32/CoinMiner.K infection?

In this article you will certainly find about the meaning of Trojan:Win32/CoinMiner.K as well as its negative effect on your computer system. Such ransomware are a form of malware that is elaborated by on-line fraudulences to demand paying the ransom by a target.

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In the majority of the instances, Trojan:Win32/CoinMiner.K ransomware will advise its victims to launch funds transfer for the function of reducing the effects of the amendments that the Trojan infection has presented to the victim’s gadget.

Trojan:Win32/CoinMiner.K Summary

These adjustments can be as adheres to:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • A process created a hidden window;
  • Installs OpenCL library, probably to mine Bitcoins;
  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Deletes its original binary from disk;
  • Executed a process and injected code into it, probably while unpacking;
  • Installs itself for autorun at Windows startup;
  • Creates a copy of itself;
  • A possible cryptomining command was executed;
  • A cryptomining command containing a stratum protocol address was executed;
  • Ciphering the records found on the target’s hard disk drive — so the sufferer can no longer utilize the information;
  • Preventing normal access to the target’s workstation;

Trojan:Win32/CoinMiner.K

The most regular channels where Trojan:Win32/CoinMiner.K Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of user winding up on a source that organizes a malicious software program;

As quickly as the Trojan is successfully injected, it will either cipher the information on the victim’s computer or stop the gadget from working in an appropriate way – while likewise placing a ransom note that mentions the demand for the sufferers to effect the settlement for the function of decrypting the documents or restoring the data system back to the initial condition. In a lot of circumstances, the ransom note will come up when the customer reboots the PC after the system has already been harmed.

Trojan:Win32/CoinMiner.K distribution channels.

In numerous corners of the globe, Trojan:Win32/CoinMiner.K grows by jumps as well as bounds. Nevertheless, the ransom notes as well as techniques of extorting the ransom money amount may differ relying on specific regional (local) setups. The ransom notes and techniques of extorting the ransom quantity may differ depending on particular neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software.

    In specific locations, the Trojans typically wrongfully report having detected some unlicensed applications enabled on the sufferer’s gadget. The alert after that demands the user to pay the ransom money.

    Faulty statements about prohibited web content.

    In nations where software program piracy is much less preferred, this technique is not as reliable for the cyber frauds. Conversely, the Trojan:Win32/CoinMiner.K popup alert may falsely declare to be deriving from a police institution as well as will report having situated child porn or various other unlawful data on the gadget.

    Trojan:Win32/CoinMiner.K popup alert may falsely claim to be obtaining from a regulation enforcement organization as well as will certainly report having situated kid porn or other prohibited information on the device. The alert will in a similar way have a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: AF0C522D
md5: 1cab3240654b4d41790b2af19dd4d33c
name: 1CAB3240654B4D41790B2AF19DD4D33C.mlw
sha1: bb1a955ab0154ea5cd84a3592d743f59a12a46ee
sha256: 49d0e9f3993b640d917dd16eb4a2a0fd37697d494c9cd1187b1cda3526792ebb
sha512: 47e8acac9dc53dd054e272295f683233f0bbd1918b0f0d4b899275c559e51af25718d72b2050a9708011e395131504b70096ebdea90d37348559a1f815e118a7
ssdeep: 24576:HaPBq5lLB5T76nIAzgBZ9spjQfQO9XbUAlOOK:HKs9HMhghLBxQAPK
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan:Win32/CoinMiner.K also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
LionicTrojan.Win32.Generic.4!c
DrWebTrojan.DownLoader8.48723
CynetMalicious (score: 99)
ALYacGen:Trojan.Heur.YmGfIjV3ICd
CylanceUnsafe
ZillyaTrojan.Injector.Win32.527280
AlibabaTrojan:Win32/CoinMiner.ali1002002
Cybereasonmalicious.0654b4
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Injector.JZ
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Trojan.Heur.YmGfIjV3ICd
NANO-AntivirusTrojan.Win32.BtcMine.ecgcel
MicroWorld-eScanGen:Trojan.Heur.YmGfIjV3ICd
TencentWin32.Trojan.Generic.kwh
Ad-AwareGen:Trojan.Heur.YmGfIjV3ICd
SophosMal/Behav-009
ComodoMalware@#2tuzngo2hrpu4
BitDefenderThetaAI:Packer.4F41162C1B
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_SPNR.32E813
McAfee-GW-EditionBehavesLike.Win32.VirRansom.cc
FireEyeGeneric.mg.1cab3240654b4d41
EmsisoftGen:Trojan.Heur.YmGfIjV3ICd (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Generic.xuwl
AviraTR/Crypt.XDR.Gen
eGambitGeneric.Malware
Antiy-AVLTrojan/Generic.ASMalwS.869464
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/CoinMiner.K
GDataGen:Trojan.Heur.YmGfIjV3ICd
McAfeeArtemis!1CAB3240654B
MAXmalware (ai score=99)
VBA32BScope.Backdoor.Androm
PandaTrj/CI.A
TrendMicro-HouseCallTROJ_SPNR.32E813
RisingHackTool.CoinMiner!1.CA68 (CLASSIC)
YandexTrojan.Injector!ZbJ/ymPC3W8
IkarusTrojan.Win32.CoinMiner
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Generic.AC.340EC3!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Trojan:Win32/CoinMiner.K 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 Trojan:Win32/CoinMiner.K 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/CoinMiner.K 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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