Trojan:MSIL/Wiper.B

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

What is Trojan:MSIL/Wiper.B infection?

In this post you will find about the meaning of Trojan:MSIL/Wiper.B and its negative impact on your computer system. 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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Most of the instances, Trojan:MSIL/Wiper.B infection will advise its victims to initiate funds transfer for the function of reducing the effects of the changes that the Trojan infection has presented to the victim’s device.

Trojan:MSIL/Wiper.B Summary

These modifications can be as complies with:

  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the files situated on the sufferer’s hard disk — so the sufferer can no more utilize the information;
  • Preventing normal 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:MSIL/Wiper.B

One of the most regular networks whereby Trojan:MSIL/Wiper.B Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of individual ending up on a source that organizes a malicious software;

As quickly as the Trojan is successfully injected, it will either cipher the information on the victim’s PC or prevent the gadget from working in an appropriate way – while likewise placing a ransom money note that discusses the requirement for the victims to effect the settlement for the function of decrypting the records or bring back the file system back to the initial problem. In most instances, the ransom money note will certainly show up when the customer reboots the PC after the system has currently been damaged.

Trojan:MSIL/Wiper.B circulation networks.

In different corners of the globe, Trojan:MSIL/Wiper.B expands by leaps as well as bounds. Nevertheless, the ransom notes and also methods of extorting the ransom quantity may differ relying on specific neighborhood (regional) setups. The ransom notes as well as methods of extorting the ransom money amount may vary depending on specific neighborhood (local) settings.

Ransomware injection

For example:

    Faulty notifies about unlicensed software program.

    In particular areas, the Trojans typically wrongfully report having actually spotted some unlicensed applications made it possible for on the target’s tool. The alert then requires the individual to pay the ransom money.

    Faulty declarations about illegal material.

    In countries where software piracy is much less preferred, this technique is not as efficient for the cyber scams. Conversely, the Trojan:MSIL/Wiper.B popup alert may incorrectly claim to be stemming from a law enforcement organization and also will report having located youngster porn or other unlawful data on the tool.

    Trojan:MSIL/Wiper.B popup alert might incorrectly declare to be obtaining from a legislation enforcement establishment as well as will certainly report having located kid porn or other unlawful data on the gadget. The alert will in a similar way include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: A8EEC92F
md5: fdf409a9755a4ac20508d903f2325aec
name: FDF409A9755A4AC20508D903F2325AEC.mlw
sha1: 3eab7112e94f9ec1e07b9ae4696052a7cf123bba
sha256: 5203628a89e0a7d9f27757b347118250f5aa6d0685d156e375b6945c8c05eb8a
sha512: 1bab02ddcc227a2f0dcad8276e015c0a0721e34883c9beef5ab9aa532f4fd4e6ca3ce77076eeedda7dcd60fc17181f815074ba45c37f1646060528b2931fe7ed
ssdeep: 384:NTcvQ0zRMFR40U9v0hUfOypQwIOvlU5m6NUW8vO+3sXGp4rbeMzG/P83aZKhBwZ:NTEQ0zR6lHhyXDUbUl3sM4rnQZaV3
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2018
Assembly Version: 1.0.0.0
InternalName: SlHost.exe
FileVersion: 1.0.0.0
CompanyName:
LegalTrademarks:
Comments:
ProductName: SlHost
ProductVersion: 1.0.0.0
FileDescription: SlHost
OriginalFilename: SlHost.exe

Trojan:MSIL/Wiper.B also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
ClamAV Win.Trojan.Shamoon-6789407-0
McAfee Trojan-FRUS!FDF409A9755A
Malwarebytes Backdoor.Shamoon
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.MSIL.Crypmod.j!c
Sangfor Ransom.MSIL.Crypmod.gen
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Gen:Variant.Ransom.1225
K7GW Riskware ( 0040eff71 )
Cybereason malicious.9755a4
Arcabit Trojan.Ransom.D4C9
Cyren W32/Trojan.NXTB-3257
Symantec Trojan.Filerase
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan-Ransom.MSIL.Crypmod.gen
Alibaba Trojan:MSIL/Wiper.92e3e519
NANO-Antivirus Trojan.Win32.Ransom.flhxzi
MicroWorld-eScan Gen:Variant.Ransom.1225
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Gen:Variant.Ransom.1225
Emsisoft Gen:Variant.Ransom.1225 (B)
Comodo Malware@#l8xl1lvda7uf
F-Secure Trojan.TR/Shamoon.A
DrWeb Trojan.Eraser.49155
Zillya Trojan.Crypmod.Win32.833
TrendMicro Worm.MSIL.SHAMOON.A
McAfee-GW-Edition Trojan-FRUS!FDF409A9755A
FireEye Gen:Variant.Ransom.1225
Sophos Mal/Generic-S + Troj/MSIL-LYS
Ikarus Trojan.Shamoon
Jiangmin Trojan.MSIL.krot
Avira TR/Shamoon.A
MAX malware (ai score=100)
Antiy-AVL Trojan[Ransom]/MSIL.Crypmod
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:MSIL/Wiper.B
ZoneAlarm HEUR:Trojan-Ransom.MSIL.Crypmod.gen
GData Gen:Variant.Ransom.1225
VBA32 TScope.Trojan.MSIL
ALYac Trojan.Ransom.GlobeImposter
Cylance Unsafe
Panda Trj/GdSda.A
ESET-NOD32 a variant of MSIL/KillFiles.BD
TrendMicro-HouseCall Worm.MSIL.SHAMOON.A
Rising Ransom.Crypmod!8.DA9 (CLOUD)
Yandex Trojan.Shamoon!PpAEdHxza8E
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Crypmod.LYS!tr
BitDefenderTheta Gen:NN.ZemsilF.34590.cm0@aey@Awi
AVG Win32:Malware-gen
Avast Win32:Malware-gen
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.Crypmod.HgIASOsA

How to remove Trojan:MSIL/Wiper.B 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:MSIL/Wiper.B 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:MSIL/Wiper.B 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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