Written by Robert Bailey

What is MSIL/Rozena.P infection?

In this short article you will find regarding the definition of MSIL/Rozena.P and its adverse impact on your computer. Such ransomware are a type of malware that is specified by online scams to demand paying the ransom by a target.

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Most of the instances, MSIL/Rozena.P infection will instruct its targets to initiate funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually presented to the victim’s device.

MSIL/Rozena.P Summary

These modifications can be as complies with:

  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the sufferer’s hard drive — so the target can no more utilize the data;
  • Preventing normal access 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.


One of the most typical networks whereby MSIL/Rozena.P Ransomware are injected are:

  • By means of phishing emails;
  • As an effect of user ending up on a source that holds a malicious software application;

As soon as the Trojan is effectively injected, it will either cipher the information on the sufferer’s computer or prevent the tool from functioning in a proper manner – while additionally putting a ransom money note that points out the demand for the victims to effect the settlement for the function of decrypting the papers or recovering the file system back to the initial problem. In most circumstances, the ransom note will certainly show up when the customer reboots the PC after the system has actually already been harmed.

MSIL/Rozena.P circulation channels.

In different corners of the globe, MSIL/Rozena.P expands by leaps and bounds. Nonetheless, the ransom notes and techniques of obtaining the ransom quantity may differ depending on specific local (local) setups. The ransom notes as well as tricks of extorting the ransom money quantity might vary depending on particular neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software program.

    In specific areas, the Trojans often wrongfully report having found some unlicensed applications allowed on the target’s tool. The sharp after that demands the individual to pay the ransom.

    Faulty declarations about prohibited web content.

    In nations where software program piracy is less popular, this method is not as efficient for the cyber frauds. Additionally, the MSIL/Rozena.P popup alert might wrongly declare to be originating from a police institution and also will report having situated child pornography or various other unlawful information on the gadget.

    MSIL/Rozena.P popup alert may incorrectly assert to be deriving from a legislation enforcement establishment and also will certainly report having located youngster porn or various other unlawful data on the gadget. The alert will similarly have a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: C9776EA5
md5: c4221de94c49d304a77f92f88c9657f6
name: C4221DE94C49D304A77F92F88C9657F6.mlw
sha1: 0a9071a3519c7814b9fdaee561412c003aa95ef3
sha256: 8b4c70744d3159fc5d8ba03a91773307573fee40e325333c2ee504edcf9796ae
sha512: e0f96b70004b258aac8c0fdde8abfa4ac42dc180db7b3ec6dba0a969157eed803e8042d48de0e95de5b43a58e254fc48c1c6eb068b021c12bc37f25c5517a5b1
ssdeep: 384:jCV17Wg8JKpoRGhUZaLnpPo6LdBkSeG+hU5eZ:GVRkGhUgLnxvBkNH0S
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2021
Assembly Version:
InternalName: testv.exe
ProductName: testv
FileDescription: testv
OriginalFilename: testv.exe

MSIL/Rozena.P also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.36276057
ALYac Trojan.GenericKD.36276057
Cylance Unsafe
AegisLab Trojan.MSIL.Shelma.4!c
Sangfor Malware
K7AntiVirus Trojan ( 0055b59d1 )
BitDefender Trojan.GenericKD.36276057
K7GW Trojan ( 0055b59d1 )
CrowdStrike win/malicious_confidence_100% (D)
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:DropperX-gen [Drp]
Kaspersky HEUR:Trojan.MSIL.Shelma.gen
Alibaba Trojan:MSIL/Rozena.719cdb70
Ad-Aware Trojan.GenericKD.36276057
Emsisoft Trojan.GenericKD.36276057 (B)
F-Secure Heuristic.HEUR/AGEN.1136625
DrWeb Trojan.InjectNET.5
TrendMicro TROJ_GEN.R002C0RAV21
Sophos Troj/Kryptik-JP
SentinelOne Static AI – Malicious PE
GData Trojan.GenericKD.36276057
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1136625
eGambit Unsafe.AI_Score_97%
MAX malware (ai score=89)
Arcabit Trojan.Generic.D2298759
ZoneAlarm HEUR:Trojan.MSIL.Shelma.gen
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.RL_Generic.C3453168
McAfee Artemis!C4221DE94C49
Malwarebytes Generic.Malware/Suspicious
Panda Trj/GdSda.A
ESET-NOD32 a variant of MSIL/Rozena.P
TrendMicro-HouseCall TROJ_GEN.R002C0RAV21
Tencent Msil.Trojan.Shelma.Svqo
Ikarus Trojan.MSIL.Rozena
Fortinet MSIL/Shelma.gen!tr
BitDefenderTheta Gen:NN.ZemsilF.34804.am0@a8PEB7c
AVG Win32:DropperX-gen [Drp]
Cybereason malicious.3519c7
Qihoo-360 Win32/Ransom.DogHousePower.HgIASOIA

How to remove MSIL/Rozena.P 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 MSIL/Rozena.P 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 MSIL/Rozena.P you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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