Trojan:Win32/Comroki!rfn

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

What is Trojan:Win32/Comroki!rfn infection?

In this post you will discover regarding the definition of Trojan:Win32/Comroki!rfn and its adverse influence on your computer. Such ransomware are a form of malware that is clarified by on-line scams to demand paying the ransom money by a victim.

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In the majority of the cases, Trojan:Win32/Comroki!rfn infection will certainly instruct its victims to launch funds transfer for the objective of neutralizing the amendments that the Trojan infection has actually introduced to the victim’s device.

Trojan:Win32/Comroki!rfn Summary

These modifications can be as adheres to:

  • Executable code extraction;
  • Creates RWX memory;
  • Creates an autorun.inf file;
  • Sniffs keystrokes;
  • Creates a hidden or system file;
  • Creates a copy of itself;
  • Attempts to create or modify system certificates;
  • Makes SMTP requests, possibly sending spam or exfiltrating data.;
  • Anomalous binary characteristics;
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Ciphering the documents situated on the target’s hard drive — so the target can no more utilize the information;
  • Preventing routine accessibility to the target’s workstation;

Related domains:

smtp.gmail.comHEUR:Trojan-Ransom.Win32.Generic

Trojan:Win32/Comroki!rfn

The most regular channels whereby Trojan:Win32/Comroki!rfn are infused are:

  • By means of phishing e-mails;
  • As an effect of customer ending up on a source that hosts a harmful software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the target’s PC or prevent the gadget from functioning in a proper fashion – while additionally positioning a ransom note that points out the need for the targets to impact the payment for the function of decrypting the files or restoring the documents system back to the initial problem. In many circumstances, the ransom note will certainly come up when the client reboots the COMPUTER after the system has actually already been harmed.

Trojan:Win32/Comroki!rfn distribution networks.

In various corners of the globe, Trojan:Win32/Comroki!rfn grows by jumps and also bounds. However, the ransom notes as well as methods of obtaining the ransom money quantity might differ depending on specific neighborhood (regional) settings. The ransom notes and methods of obtaining the ransom money quantity might vary depending on specific local (local) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having actually spotted some unlicensed applications enabled on the victim’s gadget. The alert then demands the user to pay the ransom money.

    Faulty statements about prohibited material.

    In nations where software program piracy is much less popular, this approach is not as effective for the cyber frauds. Additionally, the Trojan:Win32/Comroki!rfn popup alert may incorrectly assert to be stemming from a police organization and also will certainly report having located youngster porn or other prohibited information on the device.

    Trojan:Win32/Comroki!rfn popup alert might incorrectly claim to be deriving from a law enforcement institution as well as will certainly report having located kid porn or other unlawful information on the tool. The alert will similarly contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: A7FB6015
md5: 5a16f0856e655341b7bb3c80f2d1a266
name: 5A16F0856E655341B7BB3C80F2D1A266.mlw
sha1: 354d8b4716e80b864d18c50ae71ac2e1f33ff89d
sha256: 3611ec7a68b473ecc62f092e029caa5a521ca695711810f0446e6a4ae57a7a6c
sha512: a5dc3fd25b11122a683b2fb8ca11a63eda3037a5f107cab9bed090aa4845692fd90993f3bee46c599e4cd386f39cc8a8af665a3707562c95bf0fe04a91c8d9af
ssdeep: 1536:XZg7ykQDk/LbwPQnVTaYQhbr45PmZkPePrxd841k0SfygmeomsbE3wT+j:XZgekQ4/tGeoRbE3EY
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2010-2012 Microsoft. inc
Assembly Version: 1.2.0.9
InternalName: setup.exe
FileVersion: 1.0.0.7
CompanyName: Microsoft. inc LTD
Comments: Microsoft. update
ProductName: Microsoft. update
ProductVersion: 1.0.0.7
FileDescription: update
OriginalFilename: setup.exe

Trojan:Win32/Comroki!rfn also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 004e35571 )
LionicTrojan.Win32.Blocker.j!c
DrWebWin32.HLLW.Autoruner1.25073
McAfeeGenericRXOX-LV!5A16F0856E65
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.3559
SangforTrojan.Win32.Save.a
K7GWTrojan ( 004e35571 )
Cybereasonmalicious.56e655
SymantecML.Attribute.HighConfidence
ESET-NOD32MSIL/Autorun.Spy.Agent.AU
APEXMalicious
AvastWin32:Malware-gen
CynetMalicious (score: 99)
KasperskyHEUR:Trojan-Ransom.Win32.Generic
BitDefenderGen:Variant.MSILPerseus.101149
NANO-AntivirusTrojan.Win32.Blocker.bedpzv
MicroWorld-eScanGen:Variant.MSILPerseus.101149
TencentMalware.Win32.Gencirc.1149603b
Ad-AwareGen:Variant.MSILPerseus.101149
SophosML/PE-A
ComodoMalware@#3cidy2zed4yr5
BitDefenderThetaGen:NN.ZemsilF.34088.hq0@ae!Gu6l
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_SPNR.05BB13
McAfee-GW-EditionGenericRXOX-LV!5A16F0856E65
FireEyeGeneric.mg.5a16f0856e655341
EmsisoftGen:Variant.MSILPerseus.101149 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Generic.ejprw
WebrootW32.Keylogger.Gen
AviraTR/Spy.Gen
eGambitUnsafe.AI_Score_60%
Antiy-AVLTrojan/Generic.ASMalwS.5A0009
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/Comroki!rfn
ArcabitTrojan.MSILPerseus.D18B1D
ZoneAlarmHEUR:Trojan-Ransom.Win32.Generic
GDataGen:Variant.MSILPerseus.101149
TACHYONTrojan/W32.DN-Blocker.121856.B
AhnLab-V3Spyware/Win32.KeyLogger.R37609
MAXmalware (ai score=80)
MalwarebytesGeneric.Malware/Suspicious
PandaTrj/CI.A
TrendMicro-HouseCallTROJ_SPNR.05BB13
YandexWorm.Autorun!byu98VpqdCQ
IkarusTrojan.Win32.Comroki
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Blocker.AAHY!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Trojan:Win32/Comroki!rfn 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/Comroki!rfn 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:Win32/Comroki!rfn 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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