Written by Robert Bailey

What is Ransom:MSIL/OsnoCrypt.MB!MTB infection?

In this article you will discover regarding the definition of Ransom:MSIL/OsnoCrypt.MB!MTB and also its adverse impact on your computer system. Such ransomware are a kind of malware that is clarified by on-line scams to demand paying the ransom by a victim.

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In the majority of the situations, Ransom:MSIL/OsnoCrypt.MB!MTB virus will certainly instruct its targets to launch funds move for the purpose of neutralizing the modifications that the Trojan infection has presented to the victim’s gadget.

Ransom:MSIL/OsnoCrypt.MB!MTB Summary

These modifications can be as adheres to:

  • Anomalous binary characteristics;
  • Ciphering the records found on the sufferer’s disk drive — so the target can no more use the information;
  • Preventing normal access to the target’s workstation;


The most common networks where Ransom:MSIL/OsnoCrypt.MB!MTB Trojans are injected are:

  • By methods of phishing emails;
  • As a consequence of user ending up on a source that organizes a malicious software application;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the victim’s PC or avoid the device from functioning in a proper way – while additionally putting a ransom money note that discusses the demand for the victims to impact the settlement for the objective of decrypting the records or recovering the file system back to the preliminary condition. In many instances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has already been harmed.

Ransom:MSIL/OsnoCrypt.MB!MTB circulation networks.

In numerous edges of the globe, Ransom:MSIL/OsnoCrypt.MB!MTB expands by jumps and also bounds. However, the ransom money notes and tricks of obtaining the ransom money amount may vary depending upon particular regional (local) settings. The ransom notes and techniques of obtaining the ransom quantity might vary depending on particular neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software.

    In particular areas, the Trojans usually wrongfully report having found some unlicensed applications allowed on the target’s device. The alert after that requires the customer to pay the ransom.

    Faulty declarations regarding illegal material.

    In nations where software program piracy is less popular, this technique is not as effective for the cyber frauds. Conversely, the Ransom:MSIL/OsnoCrypt.MB!MTB popup alert may wrongly claim to be stemming from a police institution and will certainly report having located kid porn or various other prohibited data on the gadget.

    Ransom:MSIL/OsnoCrypt.MB!MTB popup alert may incorrectly assert to be obtaining from a legislation enforcement institution as well as will report having situated youngster pornography or various other prohibited information on the tool. The alert will in a similar way have a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: B302966F
md5: 9884bc4b00d1668f52e5e91b4c2dd3b3
name: upload_file
sha1: 04c8ce2599ac9f0a0124b39b040bf0c0fee26931
sha256: 3348af4619e431184873847593adb6da058b4ab91bc2cfc37003f8ba3c000f41
sha512: 76757394bca1ff2fb4fb9deaf92a660253f83483f6f500517627165f373201d6e3c31597867e835cc0606849bbfa28e8f0d68d1f985c4b082f913d81b5b27f72
ssdeep: 12288:KAAm9dcktIQAR7tPHzQ2OGoxEKRZgHSVy3g7tPHzGcW:KxcNI9R70hxRZyur7Q9
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: xa9 Osno Corporation. All rights reserved. 2020
Assembly Version: 6.1.7601.17514
InternalName: Osno.exe
FileVersion: 6.1.7601.17514
ProductName: Osno Project
ProductVersion: 6.1.7601.17514
FileDescription: Osno Project
OriginalFilename: Osno.exe

Ransom:MSIL/OsnoCrypt.MB!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.43992759
CAT-QuickHeal Trojan.Wacatac
McAfee RDN/Generic PWS.y
AegisLab Trojan.Win32.Malicious.4!c
K7AntiVirus Spyware ( 004c76c01 )
BitDefender Trojan.GenericKD.43992759
K7GW Spyware ( 004c76c01 )
CrowdStrike win/malicious_confidence_100% (W)
Arcabit Trojan.Generic.D29F46B7
Invincea Mal/Generic-S
Symantec Trojan.Gen.MBT
TrendMicro-HouseCall Ransom.Win32.OSNO.THJOFBO
Paloalto generic.ml
Alibaba Ransom:MSIL/OsnoCrypt.a640895f
Ad-Aware Trojan.GenericKD.43992759
Emsisoft Trojan.GenericKD.43992759 (B)
Comodo Heur.Corrupt.PE@1z141z3
F-Secure Heuristic.HEUR/AGEN.1109526
DrWeb Trojan.PWS.Stealer.29333
TrendMicro Ransom.Win32.OSNO.THJOFBO
McAfee-GW-Edition BehavesLike.Win32.Generic.ct
SentinelOne DFI – Malicious PE
FireEye Generic.mg.9884bc4b00d1668f
APEX Malicious
Avira HEUR/AGEN.1109526
Microsoft Ransom:MSIL/OsnoCrypt.MB!MTB
AhnLab-V3 Malware/Win32.Generic.C2852613
GData Trojan.GenericKD.43992759
Cynet Malicious (score: 85)
ALYac Trojan.Ransom.Filecoder
VBA32 TrojanPSW.Stealer
Malwarebytes Spyware.Stealer
Panda Trj/CI.A
Rising Ransom.OnyxLocker!1.C0BA (CLASSIC)
eGambit Trojan.Generic
Fortinet Malicious_Behavior.SB
MaxSecure Trojan.Malware.300983.susgen

How to remove Ransom:MSIL/OsnoCrypt.MB!MTB 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 Ransom:MSIL/OsnoCrypt.MB!MTB 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 Ransom:MSIL/OsnoCrypt.MB!MTB you can always ask me in the comments for getting help.

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  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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