Backdoor:Win32/Talsab.C

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

What is Backdoor:Win32/Talsab.C infection?

In this post you will locate about the interpretation of Backdoor:Win32/Talsab.C and also its unfavorable effect on your computer system. Such ransomware are a kind of malware that is specified by on-line fraudulences to require paying the ransom by a sufferer.

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In the majority of the situations, Backdoor:Win32/Talsab.C virus will instruct its sufferers to launch funds transfer for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the victim’s gadget.

Backdoor:Win32/Talsab.C Summary

These adjustments can be as follows:

  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.;
  • 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.
  • Unconventionial language used in binary resources: Turkish;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • 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
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the sufferer’s disk drive — so the target can no longer utilize the information;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
cust0.no-ip.orgRansom.Blocker!8.12A (TFE:4:G29ZdjksNnF)

Backdoor:Win32/Talsab.C

One of the most regular networks through which Backdoor:Win32/Talsab.C 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 an effect of customer ending up on a resource that hosts a malicious software;

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the sufferer’s computer or stop the device from functioning in a proper manner – while also putting a ransom money note that points out the requirement for the sufferers to effect the repayment for the purpose of decrypting the files or bring back the file system back to the initial condition. In most circumstances, the ransom note will turn up when the client reboots the PC after the system has actually currently been damaged.

Backdoor:Win32/Talsab.C circulation networks.

In different corners of the globe, Backdoor:Win32/Talsab.C grows by jumps and bounds. Nonetheless, the ransom notes and tricks of extorting the ransom money quantity might vary depending on specific local (regional) setups. The ransom notes as well as methods of obtaining the ransom money amount might differ depending on certain local (local) settings.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software program.

    In specific locations, the Trojans commonly wrongfully report having identified some unlicensed applications allowed on the sufferer’s device. The sharp then demands the individual to pay the ransom money.

    Faulty statements regarding illegal content.

    In countries where software piracy is less prominent, this method is not as effective for the cyber frauds. Additionally, the Backdoor:Win32/Talsab.C popup alert may falsely declare to be originating from a law enforcement establishment and also will report having situated kid porn or other prohibited data on the device.

    Backdoor:Win32/Talsab.C popup alert might wrongly assert to be deriving from a law enforcement establishment as well as will report having situated kid pornography or various other illegal data on the tool. The alert will similarly contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 48488ABC
md5: bc5d378a0d6e33ca3c4cc38b44c3277c
name: BC5D378A0D6E33CA3C4CC38B44C3277C.mlw
sha1: dde6d29f98f414127a6521c6f8bf81c6cd9bbe6f
sha256: 1e05606fe623230d4c599b41a33e0022318d76571ce714c02f475b75c75187a0
sha512: f9a2fd6c785b74b53f40142d5ce0e46334c133105880d2d1add1339885fa6a7adbbdff08f656587940c2a9d9ee5e8e934be7d7de51ae54a1041aadb3c1392d58
ssdeep: 24576:SEB67u0UiWJSPKltDV5EzXnhsakfgCMMOnL/fSjCgk0+0A:SEYSBPl1Vo7kfDMMOLqktv
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Talsab.C also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Zusy.338102
FireEyeGeneric.mg.bc5d378a0d6e33ca
Qihoo-360Win32/TrojanSpy.Keylogger.HwUBOAUA
McAfeeArtemis!BC5D378A0D6E
CylanceUnsafe
VIPRETrojan.Win32.Generic.pak!cobra
BitDefenderGen:Variant.Zusy.338102
Cybereasonmalicious.a0d6e3
BitDefenderThetaGen:NN.ZelphiF.34590.lHW@aSNqa7aO
CyrenW32/Risk.EZOC-1810
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Spy.Swisyn.FF
APEXMalicious
AvastWin32:Talsab [Drp]
ClamAVWin.Trojan.Swisyn-1754
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojanSpy:Win32/KeyLogger.c5758944
NANO-AntivirusTrojan.Win32.Yobdam.cdleg
AegisLabTrojan.Win32.Generic.4!c
RisingRansom.Blocker!8.12A (TFE:4:G29ZdjksNnF)
Ad-AwareGen:Variant.Zusy.338102
SophosMal/Generic-S
ComodoMalware@#2qlrz88fmwbfw
F-SecureDropper.DR/Delphi.Gen
DrWebTrojan.MulDrop4.58214
ZillyaBackdoor.Yobdam.Win32.502
McAfee-GW-EditionBehavesLike.Win32.Fareit.tc
EmsisoftGen:Variant.Zusy.338102 (B)
SentinelOneStatic AI – Suspicious PE
JiangminTrojan/Swisyn.mwq
AviraDR/Delphi.Gen
MAXmalware (ai score=81)
Antiy-AVLTrojan[Backdoor]/Win32.Yobdam
MicrosoftBackdoor:Win32/Talsab.C
ArcabitTrojan.Zusy.D528B6
AhnLab-V3Trojan/Win32.Generic.C2102782
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Variant.Zusy.338102
CynetMalicious (score: 100)
VBA32TrojanDropper.Agent
ALYacGen:Variant.Zusy.338102
TACHYONBackdoor/W32.DP-Yobdam.1231360
MalwarebytesMalware.AI.4194432034
PandaGeneric Malware
TencentWin32.Trojan.Generic.Pgwr
YandexTrojan.GenAsa!aT84Ys+N30c
IkarusTrojan.Win32.Bredolab
eGambitUnsafe.AI_Score_99%
FortinetW32/Swisyn.NHT!tr
AVGWin32:Talsab [Drp]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_80% (D)
MaxSecureTrojan.Malware.2008190.susgen

How to remove Backdoor:Win32/Talsab.C virus?

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/Talsab.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 Backdoor:Win32/Talsab.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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