Trojan:MSIL/Krolol.A

Written by Robert Bailey

What is Trojan:MSIL/Krolol.A infection?

In this short article you will certainly find about the interpretation of Trojan:MSIL/Krolol.A and its unfavorable effect on your computer system. Such ransomware are a form of malware that is specified by on the internet fraudulences to require paying the ransom by a victim.

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When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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In the majority of the cases, Trojan:MSIL/Krolol.A infection will certainly advise its victims to launch funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has actually introduced to the target’s tool.

Trojan:MSIL/Krolol.A Summary

These alterations can be as follows:

  • Creates RWX memory;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • Uses Windows utilities for basic functionality;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Installs itself for autorun at Windows startup;
  • Creates a copy of itself;
  • Anomalous binary characteristics;
  • Ciphering the files found on the victim’s hard drive — so the sufferer can no longer use the data;
  • Preventing routine accessibility to the target’s workstation;

Related domains:

z.whorecord.xyz Trojan-Ransom.Win32.Blocker.kzzy
a.tomx.xyz Trojan-Ransom.Win32.Blocker.kzzy

Trojan:MSIL/Krolol.A

The most normal channels through which Trojan:MSIL/Krolol.A Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of customer ending up on a source that holds a destructive software application;

As soon as the Trojan is successfully infused, it will either cipher the information on the target’s PC or avoid the device from functioning in a proper fashion – while also positioning a ransom money note that states the need for the sufferers to impact the repayment for the function of decrypting the files or restoring the file system back to the preliminary problem. In the majority of circumstances, the ransom note will certainly come up when the client restarts the COMPUTER after the system has currently been harmed.

Trojan:MSIL/Krolol.A distribution networks.

In different corners of the globe, Trojan:MSIL/Krolol.A grows by leaps and also bounds. However, the ransom notes as well as tricks of obtaining the ransom amount might differ relying on particular regional (regional) setups. The ransom money notes and also methods of obtaining the ransom amount might differ depending on specific regional (local) settings.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software application.

    In certain locations, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the victim’s tool. The sharp then demands the user to pay the ransom.

    Faulty statements regarding illegal content.

    In countries where software program piracy is less preferred, this technique is not as reliable for the cyber frauds. Alternatively, the Trojan:MSIL/Krolol.A popup alert may incorrectly assert to be originating from a police establishment as well as will certainly report having situated child pornography or other unlawful information on the tool.

    Trojan:MSIL/Krolol.A popup alert might falsely claim to be deriving from a legislation enforcement establishment and also will report having located youngster pornography or various other prohibited data on the device. The alert will likewise consist of a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 9935E2AF
md5: bb1ce5789b27045db4a49509e865581e
name: BB1CE5789B27045DB4A49509E865581E.mlw
sha1: 9478fed57a5b06b6ed0e6f3b8923b5ffbb8d625c
sha256: 40c0a03f6c7099a6e1ac8864af7c2e320f90e1ae0850594631129351251ccddc
sha512: 0e38baba9e83a8e8d69c31761af9e6ae1e48ab6d1a9514bec74ebb5352550786bfad5521c3e4ef615cb5dc6764a6a06bd82bfb8f9cf1947379aab27b44ce5689
ssdeep: 384:hSwiCio75IiuVo0xlYQjb4hLQaGpnuQb/vfVUtJ:h1iLUEjYQjWUgQb/vCtJ
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright:
Assembly Version: 0.0.0.0
InternalName: CloserFix.exe
FileVersion: 0.0.0.0
ProductVersion: 0.0.0.0
FileDescription:
OriginalFilename: CloserFix.exe

Trojan:MSIL/Krolol.A also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 700000121 )
Lionic Trojan.Win32.Blocker.j!c
Elastic malicious (high confidence)
DrWeb Trojan.EncoderNET.6
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Trojan:MSIL/Blocker.6f8e23a0
K7GW Trojan ( 700000121 )
Cybereason malicious.57a5b0
Baidu Win32.Worm.VB.sh
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Agent.OBO
APEX Malicious
Avast MSIL:Agent-ACX [Trj]
Kaspersky Trojan-Ransom.Win32.Blocker.kzzy
NANO-Antivirus Trojan.Win32.Agent.dckjux
Tencent Win32.Trojan.Blocker.Pezk
Sophos Mal/Generic-S
Comodo Malware@#1f8l2g99pdn4j
BitDefenderTheta Gen:NN.ZemsilF.34790.am0@ayyRJwk
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition GenericRXCA-NP!BB1CE5789B27
FireEye Generic.mg.bb1ce5789b27045d
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.ioq
Avira TR/ATRAPS.Gen
eGambit Unsafe.AI_Score_95%
Antiy-AVL Trojan/Generic.ASMalwS.2677875
Microsoft Trojan:MSIL/Krolol.A
ZoneAlarm Trojan-Ransom.Win32.Blocker.kzzy
AhnLab-V3 Win-Trojan/Krolol.Exp
McAfee GenericRXCA-NP!BB1CE5789B27
MAX malware (ai score=99)
Malwarebytes Trojan.Trolo.C
Panda Trj/GdSda.A
Ikarus Trojan.MSIL.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.OBO!tr
AVG MSIL:Agent-ACX [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOYA

How to remove Trojan:MSIL/Krolol.A ransomware?

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:MSIL/Krolol.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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:MSIL/Krolol.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: http://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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