TrojanPSW.Disbuk

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

What is TrojanPSW.Disbuk infection?

In this post you will locate regarding the interpretation of TrojanPSW.Disbuk as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is specified by online frauds to demand paying the ransom money by a sufferer.

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Most of the cases, TrojanPSW.Disbuk virus will certainly instruct its targets to initiate funds move for the function of reducing the effects of the amendments that the Trojan infection has actually introduced to the victim’s device.

TrojanPSW.Disbuk Summary

These modifications can be as adheres to:

  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • 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.
  • Queries information on disks, possibly for anti-virtualization. Since VMs share the same disk space so it is expected that they won’t be getting as much space as an application running on
    native hardware will have access to.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Ciphering the documents located on the victim’s hard disk drive — so the sufferer can no longer make use of the information;
  • Preventing routine accessibility 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
www.ipcode.pwBehavesLike.Win32.Ransomware.tc

TrojanPSW.Disbuk

One of the most regular channels where TrojanPSW.Disbuk Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of individual winding up on a resource that holds a harmful software application;

As soon as the Trojan is effectively injected, it will either cipher the information on the victim’s computer or avoid the gadget from working in a proper fashion – while likewise putting a ransom note that discusses the need for the targets to impact the payment for the purpose of decrypting the papers or restoring the documents system back to the preliminary problem. In most circumstances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has actually already been damaged.

TrojanPSW.Disbuk distribution channels.

In numerous edges of the world, TrojanPSW.Disbuk expands by leaps and also bounds. However, the ransom money notes and techniques of obtaining the ransom money amount may vary depending on certain local (local) setups. The ransom money notes and methods of obtaining the ransom money quantity may differ depending on particular local (regional) setups.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software program.

    In particular locations, the Trojans frequently wrongfully report having discovered some unlicensed applications allowed on the sufferer’s tool. The sharp after that requires the individual to pay the ransom.

    Faulty declarations concerning unlawful material.

    In countries where software program piracy is less prominent, this approach is not as effective for the cyber fraudulences. Conversely, the TrojanPSW.Disbuk popup alert might wrongly declare to be stemming from a law enforcement institution and also will report having located kid pornography or various other illegal data on the device.

    TrojanPSW.Disbuk popup alert might incorrectly claim to be deriving from a regulation enforcement institution and also will certainly report having located kid pornography or various other unlawful information on the tool. The alert will likewise contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: C4ADC20D
md5: 6490c6b3c846e2195abc07cc124df3b1
name: ytbticket.exe
sha1: 91ffde21e116a0d7f0b522632268e102f0a6a847
sha256: fbfaf6b255e1e0aecffd51a1f98827b04adf979fc02a1fcefb823bb655028ae1
sha512: e4b5f07a4b947cc6aeaa73473e290a959a7c81f5b3e6945d72492be9d22a58d5940bb33e893ecf51b057233af99293e3652c3c37d35504044b3aa80f74006cd0
ssdeep: 49152:ecW4fituJPwGFZ9X+ez1/Dee+Sj+0nB2VQ:eX4ats5DdVh7N+Sj+G
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
FileVersion:
CompanyName:
Comments: This installation was built with Inno Setup.
ProductName: pdfreader2019
ProductVersion: 20.01
FileDescription: pdfreader2019 Setup
OriginalFileName:
Translation: 0x0000 0x04b0

TrojanPSW.Disbuk also known as:

GridinSoftTrojan.Ransom.Gen
DrWebTrojan.PWS.Stealer.27842
MicroWorld-eScanTrojan.GenericKD.33191745
FireEyeTrojan.GenericKD.33191745
CAT-QuickHealTrojanpws.Disbuk
ALYacTrojan.Agent.Disbuk
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusSpyware ( 0054853f1 )
BitDefenderTrojan.GenericKD.33191745
K7GWSpyware ( 0054853f1 )
TrendMicroTrojan.Win32.MALREP.THBBFBO
BitDefenderThetaGen:NN.ZexaF.34090.Dm1@aK!FtUbj
APEXMalicious
GDataTrojan.GenericKD.33191745
KasperskyHEUR:Trojan-PSW.Win32.Disbuk.gen
AlibabaTrojanSpy:Win32/Vigorf.e75e499c
NANO-AntivirusTrojan.Win32.Stealer.guvczd
ViRobotTrojan.Win32.Z.Socelars.1892036
AegisLabTrojan.Win32.Disbuk.i!c
TencentWin32.Trojan-qqpass.Qqrob.Wops
Ad-AwareTrojan.GenericKD.33191745
SophosMal/Generic-S
F-SecureHeuristic.HEUR/AGEN.1045826
McAfee-GW-EditionBehavesLike.Win32.Ransomware.tc
EmsisoftTrojan-Spy.Socelars (A)
IkarusTrojan-Spy.Agent
CyrenW32/Trojan.WMMB-8331
MaxSecureTrojan.Malware.1728101.susgen
AviraHEUR/AGEN.1045826
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D1FA7741
ZoneAlarmHEUR:Trojan-PSW.Win32.Disbuk.gen
MicrosoftTrojan:Win32/Vigorf.A
AhnLab-V3Trojan/Win32.Disbuk.R302815
McAfeeDropper-FWS!6490C6B3C846
MAXmalware (ai score=100)
VBA32TrojanPSW.Disbuk
MalwarebytesSpyware.Socelars
PandaTrj/CI.A
ESET-NOD32a variant of Win32/Spy.Socelars.S
TrendMicro-HouseCallTrojan.Win32.MALREP.THBBFBO
RisingSpyware.Socelars!8.EBE4 (CLOUD)
FortinetW32/Disbuk.S!tr
WebrootW32.Malware.gen
AVGWin32:PWSX-gen [Trj]
AvastWin32:PWSX-gen [Trj]
Qihoo-360Win32/Trojan.PSW.3d5

How to remove TrojanPSW.Disbuk 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 TrojanPSW.Disbuk 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 TrojanPSW.Disbuk 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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