Ransom:MSIL/NoCry.AS!MTB

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

What is Ransom:MSIL/NoCry.AS!MTB infection?

In this short article you will find concerning the interpretation of Ransom:MSIL/NoCry.AS!MTB and also its unfavorable effect on your computer system. Such ransomware are a type of malware that is elaborated by on-line frauds to demand paying the ransom by a sufferer.

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In the majority of the cases, Ransom:MSIL/NoCry.AS!MTB infection will advise its targets to start funds move for the purpose of counteracting the modifications that the Trojan infection has presented to the target’s tool.

Ransom:MSIL/NoCry.AS!MTB Summary

These modifications can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • 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.
  • A process attempted to delay the analysis task.;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Detects Sandboxie through the presence of a library;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • 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.
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the papers situated on the sufferer’s hard disk drive — so the victim can no more make use of the information;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Ransom:MSIL/NoCry.AS!MTB

One of the most typical channels where Ransom:MSIL/NoCry.AS!MTB Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of customer ending up on a resource that hosts a destructive software;

As soon as the Trojan is successfully injected, it will either cipher the data on the victim’s PC or prevent the tool from operating in a proper way – while additionally positioning a ransom money note that states the need for the victims to effect the repayment for the objective of decrypting the records or bring back the documents system back to the initial problem. In most instances, the ransom money note will come up when the client reboots the COMPUTER after the system has currently been harmed.

Ransom:MSIL/NoCry.AS!MTB distribution channels.

In numerous corners of the world, Ransom:MSIL/NoCry.AS!MTB expands by leaps as well as bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom amount might vary relying on certain local (local) settings. The ransom notes and methods of obtaining the ransom amount might differ depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software application.

    In certain areas, the Trojans frequently wrongfully report having discovered some unlicensed applications enabled on the victim’s gadget. The sharp then requires the individual to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In nations where software program piracy is less preferred, this approach is not as reliable for the cyber scams. Conversely, the Ransom:MSIL/NoCry.AS!MTB popup alert may incorrectly claim to be originating from a police organization as well as will certainly report having located youngster pornography or various other unlawful information on the device.

    Ransom:MSIL/NoCry.AS!MTB popup alert might incorrectly assert to be deriving from a legislation enforcement institution as well as will report having located youngster porn or other illegal data on the gadget. The alert will likewise have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 91A74617
md5: fd0af1df3fd8b238b0e1feb1d09ff91c
name: FD0AF1DF3FD8B238B0E1FEB1D09FF91C.mlw
sha1: 0bbcf9f3e30368780a5a9f5512c25917fa483395
sha256: 884b84a487e59317c63707980177e1b3f8ff69aa5b158a9ce1751656f088cf4e
sha512: c7f3414c081b18b29b1841446c16f4cfa222927636ec4679356078f2604b8d27cf22041300df546a0d0e25967e1b147b19f65e0bf5bf551e43a1ad749a4365cb
ssdeep: 3072:zwTZFiR9QKkA8pEESZjRY1/DsstgRo2o41q8lh8Fuz+WSMzbrsfyb50E3QBSfUq:0EJjR+D4RJq8wFu1Cyd0E3QMfhqK3c
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2020
Assembly Version: 1.0.0.0
InternalName: NoCry.exe
FileVersion: 1.0.0.0
CompanyName:
LegalTrademarks:
Comments:
ProductName: NoCry
ProductVersion: 1.0.0.0
FileDescription: NoCry
OriginalFilename: NoCry.exe

Ransom:MSIL/NoCry.AS!MTB also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanGeneric.Ransom.29E95717
FireEyeGeneric.mg.fd0af1df3fd8b238
ALYacGeneric.Ransom.29E95717
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Generic.j!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 005777981 )
BitDefenderGeneric.Ransom.29E95717
K7GWTrojan ( 005777981 )
Cybereasonmalicious.f3fd8b
BitDefenderThetaGen:NN.ZemsilF.34590.nm0@auK6lhl
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/Filecoder.AFL
TrendMicro-HouseCallRansom_NoCry.R002C0DB721
AvastWin32:MalwareX-gen [Trj]
KasperskyHEUR:Trojan-Ransom.Win32.Generic
AlibabaRansom:MSIL/NoCry.e13eac33
NANO-AntivirusTrojan.Win32.Filecoder.ilpgsb
RisingRansom.Generic!8.E315 (TFE:C:FZ9d1YHHeCH)
Ad-AwareGeneric.Ransom.29E95717
EmsisoftGeneric.Ransom.29E95717 (B)
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.MulDrop16.10418
TrendMicroRansom_NoCry.R002C0DB721
McAfee-GW-EditionRansom-Cry!FD0AF1DF3FD8
SophosMal/Generic-R + Mal/Genasom-A
IkarusTrojan-Ransom.FileCrypter
AviraTR/Dropper.Gen
MAXmalware (ai score=85)
Antiy-AVLTrojan/MSIL.Filecoder
MicrosoftRansom:MSIL/NoCry.AS!MTB
ArcabitGeneric.Ransom.29E95717
AhnLab-V3Malware/Win32.RL_Generic.C4316954
ZoneAlarmHEUR:Trojan-Ransom.Win32.Generic
GDataGeneric.Ransom.29E95717
CynetMalicious (score: 100)
McAfeeRansom-Cry!FD0AF1DF3FD8
VBA32TScope.Trojan.MSIL
MalwarebytesRansom.FileCryptor
PandaTrj/GdSda.A
APEXMalicious
TencentWin32.Trojan.Generic.Eddq
YandexTrojan.Filecoder!M/hVK5aykqc
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetMSIL/Filecoder.TA!tr
AVGWin32:MalwareX-gen [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_90% (W)
Qihoo-360Win32/Ransom.Generic.HgIASOoA

How to remove Ransom:MSIL/NoCry.AS!MTB 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 Ransom:MSIL/NoCry.AS!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/NoCry.AS!MTB 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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