Ransom:Win32/Tosthin.A

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

What is Ransom:Win32/Tosthin.A infection?

In this article you will certainly discover about the interpretation of Ransom:Win32/Tosthin.A and its unfavorable influence on your computer. Such ransomware are a type of malware that is clarified by online fraudulences to demand paying the ransom money by a target.

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Most of the instances, Ransom:Win32/Tosthin.A ransomware will instruct its victims to start funds move for the function of neutralizing the amendments that the Trojan infection has actually introduced to the target’s device.

Ransom:Win32/Tosthin.A Summary

These modifications can be as complies with:

  • Attempts to connect to a dead IP:Port (4 unique times);
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • 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
  • Writes a potential ransom message to disk;
  • 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.
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records found on the victim’s hard drive — so the victim can no longer make use of the information;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyzTrojan.Ransom.Pico
a.tomx.xyzTrojan.Ransom.Pico
2no.coTrojan.Ransom.Pico
iplogger.orgTrojan.Ransom.Pico

Ransom:Win32/Tosthin.A

The most normal networks whereby Ransom:Win32/Tosthin.A are injected are:

  • By ways of phishing emails;
  • As a repercussion of user ending up on a source that hosts a malicious software program;

As quickly as the Trojan is successfully injected, it will either cipher the data on the sufferer’s computer or protect against the device from operating in a correct way – while additionally positioning a ransom money note that states the requirement for the victims to effect the repayment for the function of decrypting the documents or restoring the file system back to the first problem. In a lot of instances, the ransom note will certainly show up when the customer reboots the PC after the system has already been damaged.

Ransom:Win32/Tosthin.A distribution networks.

In different corners of the globe, Ransom:Win32/Tosthin.A grows by leaps as well as bounds. Nevertheless, the ransom notes and methods of obtaining the ransom amount may vary depending upon specific regional (regional) settings. The ransom notes and tricks of extorting the ransom amount may differ depending on particular regional (local) settings.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software.

    In specific areas, the Trojans often wrongfully report having actually spotted some unlicensed applications enabled on the target’s gadget. The sharp after that demands the user to pay the ransom money.

    Faulty declarations regarding prohibited content.

    In countries where software program piracy is much less preferred, this technique is not as efficient for the cyber scams. Conversely, the Ransom:Win32/Tosthin.A popup alert might falsely claim to be originating from a law enforcement establishment as well as will report having located youngster porn or various other prohibited information on the tool.

    Ransom:Win32/Tosthin.A popup alert might wrongly assert to be deriving from a legislation enforcement institution and will certainly report having situated child pornography or other illegal data on the tool. The alert will in a similar way have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 407C7398
md5: f9df5fccbdbd1b2aecce88c541a221b9
name: F9DF5FCCBDBD1B2AECCE88C541A221B9.mlw
sha1: fb2549ceeb8495e1e009f3479a9ec01c091e5851
sha256: 498afae75c004e05b77f3b45cdf7b700c5d90ac810d3debc32e14e1dc02fabf2
sha512: e848e57ff4726fd4bd718bbd38d6cedb8b647bb491d11f95292a5114090ed61cdbe6669010815acbad05c4f67bd35b89150b610f5b489f7e789dfa1c44391ba0
ssdeep: 6144:3B+MCQzRSOeeVrSBObfxn30XENm2eK7mnoUSgpAY8ODcDcm7cIs0/Nx/N3o8oG7:JhnkK/P/RtwhDDL
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Tosthin.A also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 0053b7601 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
ALYacTrojan.Ransom.Pico
CylanceUnsafe
ZillyaTrojan.GenericKD.Win32.193363
SangforTrojan.Win32.Save.a
AlibabaRansom:Win32/Tosthin.27626586
K7GWTrojan ( 0053b7601 )
Cybereasonmalicious.cbdbd1
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Filecoder.NSA
APEXMalicious
AvastWin32:MalwareX-gen [Trj]
KasperskyTrojan-Ransom.Win32.Encoder.kv
BitDefenderGeneric.Ransom.Thanatos.46AED6B9
NANO-AntivirusTrojan.Win32.Encoder.fhnjjk
MicroWorld-eScanGeneric.Ransom.Thanatos.46AED6B9
TencentMalware.Win32.Gencirc.10cbe779
Ad-AwareGeneric.Ransom.Thanatos.46AED6B9
SophosMal/Generic-R + Troj/Ransom-FAJ
ComodoMalware@#1v7kqrs8hhjry
BitDefenderThetaGen:NN.ZexaF.34692.ouW@aCjzHmni
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.dh
FireEyeGeneric.mg.f9df5fccbdbd1b2a
EmsisoftTrojan.FileCoder (A)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Generic.cpowq
AviraHEUR/AGEN.1109036
Antiy-AVLTrojan/Generic.ASMalwS.284EE67
MicrosoftRansom:Win32/Tosthin.A
AegisLabTrojan.Win32.Generic.4!c
GDataGeneric.Ransom.Thanatos.46AED6B9
AhnLab-V3Malware/Win32.Generic.C2730026
McAfeeGenericRXAA-AA!F9DF5FCCBDBD
VBA32BScope.TrojanRansom.Gen
MalwarebytesRansom.Pico
PandaTrj/GdSda.A
RisingTrojan.Generic@ML.92 (RDMK:LEPi11YQCwLP8DbrlZj85w)
YandexTrojan.GenAsa!2iwT0RajCa8
IkarusTrojan-Ransom.FileCrypter
MaxSecureTrojan.Malware.121218.susgen
FortinetW32/Filecoder.NSA!tr.ransom
AVGWin32:MalwareX-gen [Trj]
Paloaltogeneric.ml

How to remove Ransom:Win32/Tosthin.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 Ransom:Win32/Tosthin.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 Ransom:Win32/Tosthin.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: 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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