Backdoor:Win32/Tofsee!rfn

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

What is Backdoor:Win32/Tofsee!rfn infection?

In this article you will find regarding the definition of Backdoor:Win32/Tofsee!rfn and also its adverse impact on your computer. Such ransomware are a kind of malware that is elaborated by online fraudulences to demand paying the ransom money by a target.

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In the majority of the instances, Backdoor:Win32/Tofsee!rfn infection will advise its sufferers to initiate funds move for the function of neutralizing the changes that the Trojan infection has introduced to the victim’s gadget.

Backdoor:Win32/Tofsee!rfn Summary

These adjustments can be as complies with:

  • Executable code extraction;
  • Attempts to connect to a dead IP:Port (3 unique times);
  • Creates RWX memory;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Ciphering the papers situated on the victim’s hard disk — so the sufferer can no longer utilize the information;
  • Preventing routine accessibility to the target’s workstation;

Backdoor:Win32/Tofsee!rfn

The most normal channels where Backdoor:Win32/Tofsee!rfn Ransomware are infused are:

  • By ways of phishing e-mails;
  • As an effect of individual winding up on a source that hosts a harmful software program;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the victim’s computer or avoid the device from operating in a proper manner – while likewise positioning a ransom note that points out the demand for the sufferers to impact the settlement for the function of decrypting the documents or bring back the file system back to the first problem. In many circumstances, the ransom money note will certainly come up when the customer reboots the PC after the system has actually currently been damaged.

Backdoor:Win32/Tofsee!rfn circulation networks.

In different corners of the globe, Backdoor:Win32/Tofsee!rfn grows by jumps and bounds. However, the ransom money notes and also techniques of extorting the ransom money quantity might vary relying on specific regional (regional) setups. The ransom money notes and tricks of obtaining the ransom amount may differ depending on particular local (local) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software application.

    In certain areas, the Trojans usually wrongfully report having actually discovered some unlicensed applications enabled on the victim’s gadget. The alert after that requires the customer to pay the ransom.

    Faulty declarations regarding illegal web content.

    In nations where software piracy is less popular, this technique is not as effective for the cyber frauds. Additionally, the Backdoor:Win32/Tofsee!rfn popup alert might falsely declare to be deriving from a law enforcement establishment and also will certainly report having located child pornography or other unlawful data on the device.

    Backdoor:Win32/Tofsee!rfn popup alert may wrongly claim to be obtaining from a legislation enforcement establishment and also will certainly report having situated kid porn or other illegal information on the device. The alert will in a similar way consist of a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 181D9312
md5: 7e2c560f954b4b70244c169b1603ca41
name: 7E2C560F954B4B70244C169B1603CA41.mlw
sha1: 806ec32a555fb24269eb6d7753e27436449f9fcc
sha256: 34754764b32118937f5f91e52fc8e62e5b7a2f8ba57625e796195c21dcb51f21
sha512: 29724758be09e5ebddae491e1a78da1dbe6a840c0ee392ae8cea533c17bf38ba586d05488553ca78db61e2c461790ff1aadbc3f991adf70eb3abd9ace806db19
ssdeep: 3072:Y6u+iSNoHS11zfbOT5e96TwjEDatHL4kHK+/M3frt9TW3J7yw:Y6u+iaoHS11zfbOtG6TwjEDatHMkHK2
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) Mbqhs Gxhrclt Fvkjfi 2008
InternalName: Fpcna
FileVersion: 2, 18, 95, 237
ProductName: Bhovbxdnkayzsj Taowdrpnjfc Lshjbcy Rklxmhdzjcugi Guhpemzagctido
ProductVersion: 2, 18, 95, 237
FileDescription: Ssluvadr Dpfxgj Frbxmkoc Vkofdvl Gbqlf
Translation: 0x0409 0x04b0

Backdoor:Win32/Tofsee!rfn also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0042b9231 )
DrWebTrojan.DownLoad3.20917
McAfeeArtemis!7E2C560F954B
CylanceUnsafe
SangforTrojan.Win32.Save.a
AlibabaTrojan:Win32/Tofsee.3a7a5e2c
K7GWTrojan ( 0042b9231 )
SymantecML.Attribute.HighConfidence
ESET-NOD32Win32/Tofsee.AV
APEXMalicious
AvastWin32:Malware-gen
CynetMalicious (score: 100)
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.DownLoad3.ecitkd
TencentWin32.Trojan.Generic.Aisi
SophosMal/Generic-S
ComodoMalware@#12xkloysyi9wd
BitDefenderThetaGen:NN.ZexaF.34110.lu0@aG9q0Nki
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionArtemis!Trojan
FireEyeGeneric.mg.7e2c560f954b4b70
eGambitGeneric.Malware
MicrosoftBackdoor:Win32/Tofsee!rfn
ZoneAlarmHEUR:Trojan.Win32.Generic
AhnLab-V3Trojan/Win32.Generic.C2314133
VBA32BScope.Trojan.Download
MAXmalware (ai score=100)
PandaTrj/Genetic.gen
RisingTrojan.Generic@ML.83 (RDMK:M4MMhdKURI+mw2pnz61P+w)
YandexTrojan.Agent!UwTwCSQOaNA
IkarusTrojan-Ransom.TeslaCrypt
FortinetW32/Tofsee.AV!tr
AVGWin32:Malware-gen

How to remove Backdoor:Win32/Tofsee!rfn ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 Backdoor:Win32/Tofsee!rfn 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 Backdoor:Win32/Tofsee!rfn 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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