TrojanSpy:Win32/Tefosteal.C

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

What is TrojanSpy:Win32/Tefosteal.C infection?

In this post you will certainly find about the definition of TrojanSpy:Win32/Tefosteal.C and also its negative influence on your computer system. Such ransomware are a form of malware that is elaborated by on the internet frauds to demand paying the ransom by a victim.

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In the majority of the instances, TrojanSpy:Win32/Tefosteal.C virus will certainly advise its sufferers to launch funds move for the objective of reducing the effects of the changes that the Trojan infection has actually introduced to the victim’s tool.

TrojanSpy:Win32/Tefosteal.C Summary

These adjustments can be as adheres to:

  • Injection (inter-process);
  • Creates RWX memory;
  • Reads data out of its own binary image;
  • Drops a binary and executes it;
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • A potential decoy document was displayed to the user;
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file;
  • Network activity detected but not expressed in API logs;
  • Ciphering the files situated on the target’s hard drive — so the victim can no longer make use of the information;
  • Preventing normal accessibility to the sufferer’s workstation;

Related domains:

z.whorecord.xyz Trojan-Ransom.Win32.Crypren.aeis
a.tomx.xyz Trojan-Ransom.Win32.Crypren.aeis

TrojanSpy:Win32/Tefosteal.C

One of the most typical networks where TrojanSpy:Win32/Tefosteal.C are infused are:

  • By ways of phishing emails;
  • As a repercussion of user winding up on a resource that holds a malicious software program;

As soon as the Trojan is successfully infused, it will either cipher the information on the victim’s PC or avoid the device from operating in an appropriate way – while additionally placing a ransom money note that points out the requirement for the sufferers to effect the repayment for the purpose of decrypting the papers or restoring the file system back to the preliminary problem. In the majority of instances, the ransom money note will certainly turn up when the client restarts the PC after the system has already been harmed.

TrojanSpy:Win32/Tefosteal.C distribution networks.

In various edges of the globe, TrojanSpy:Win32/Tefosteal.C expands by jumps and also bounds. Nevertheless, the ransom notes and methods of obtaining the ransom money amount may vary depending on certain regional (regional) settings. The ransom money notes and also methods of obtaining the ransom amount might differ depending on specific regional (local) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software program.

    In certain locations, the Trojans commonly wrongfully report having actually identified some unlicensed applications allowed on the target’s device. The alert then demands the individual to pay the ransom.

    Faulty declarations about illegal web content.

    In nations where software application piracy is much less prominent, this approach is not as efficient for the cyber fraudulences. Conversely, the TrojanSpy:Win32/Tefosteal.C popup alert may wrongly assert to be deriving from a law enforcement establishment and also will report having situated youngster porn or other prohibited data on the device.

    TrojanSpy:Win32/Tefosteal.C popup alert may falsely claim to be acquiring from a legislation enforcement institution as well as will certainly report having situated youngster porn or various other illegal information on the tool. The alert will in a similar way contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: AE36D626
md5: dfff11455efc39c70ad1c6673298d28e
name: DFFF11455EFC39C70AD1C6673298D28E.mlw
sha1: 53ae1f9fadbadd52c6f66dc1c3e58c819845d928
sha256: 62cc3a2efe7e7deb18536e6252dff1894614eb7ed47bd9a4d9af2e50f3cb9ffd
sha512: c74352004217f03bab497f40f99009c5b53c7e72e033065de5f30f2c86feebe2467276b007b537f17105be403ea6acfb76ab528e965ebd7c757b1320da9fb1f2
ssdeep: 12288:Ihxp3lZnT9bD7K/3irIQeCjS9kIPuTPGp5kATG:IJlh9bDO/61jMkm5kQG
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

TrojanSpy:Win32/Tefosteal.C also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0052f2041 )
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.MauvaiseRI.S5258426
ALYac Trojan.GenericKD.30654126
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.9378
CrowdStrike win/malicious_confidence_80% (W)
K7GW Trojan ( 0052f2041 )
Cybereason malicious.55efc3
Symantec Trojan.Gen.2
ESET-NOD32 Win32/Filecoder.NQH
APEX Malicious
Avast FileRepMalware
ClamAV Win.Malware.Generic-9872030-0
Kaspersky Trojan-Ransom.Win32.Crypren.aeis
BitDefender Trojan.GenericKD.30654126
NANO-Antivirus Trojan.Win32.Crypren.fasafu
MicroWorld-eScan Trojan.GenericKD.30654126
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Trojan.GenericKD.30654126
Sophos Mal/Generic-S
Comodo Malware@#1fvs7fpi61blb
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
FireEye Generic.mg.dfff11455efc39c7
Emsisoft Trojan.GenericKD.30654126 (B)
Jiangmin Trojan.Crypren.lv
Avira TR/FileCoder.kdvjf
Antiy-AVL Trojan/Generic.ASMalwS.25E4F87
Microsoft TrojanSpy:Win32/Tefosteal.C
AegisLab Trojan.Win32.Malicious.4!e
GData Trojan.GenericKD.30654126
McAfee Artemis!DFFF11455EFC
MAX malware (ai score=95)
VBA32 BScope.TrojanRansom.Crypren
Panda Trj/CI.A
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Filecoder.NQH!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/TrojanSpy.TefoSteal.HwYDEpsA

How to remove TrojanSpy:Win32/Tefosteal.C 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 TrojanSpy:Win32/Tefosteal.C 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 TrojanSpy:Win32/Tefosteal.C 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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