Trojan:Win32/Qakbot.CS!cert

Written by Robert Bailey

What is Trojan:Win32/Qakbot.CS!cert infection?

In this short article you will certainly discover about the definition of Trojan:Win32/Qakbot.CS!cert as well as its unfavorable impact on your computer. Such ransomware are a kind of malware that is specified by on-line frauds to require paying the ransom by a target.

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In the majority of the cases, Trojan:Win32/Qakbot.CS!cert ransomware will certainly advise its sufferers to initiate funds transfer for the objective of neutralizing the changes that the Trojan infection has presented to the sufferer’s tool.

Trojan:Win32/Qakbot.CS!cert Summary

These alterations 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.
  • Presents an Authenticode digital signature;
  • 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;
  • A process created a hidden window;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the victim’s hard disk drive — so the sufferer can no longer use the information;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan:Win32/Qakbot.CS!cert

One of the most typical channels where Trojan:Win32/Qakbot.CS!cert Trojans are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of individual ending up on a resource that organizes a harmful software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the target’s PC or protect against the tool from working in a proper way – while also placing a ransom money note that mentions the requirement for the sufferers to effect the payment for the objective of decrypting the records or restoring the documents system back to the preliminary condition. In many circumstances, the ransom money note will turn up when the customer reboots the PC after the system has already been harmed.

Trojan:Win32/Qakbot.CS!cert distribution channels.

In different corners of the world, Trojan:Win32/Qakbot.CS!cert expands by leaps and also bounds. However, the ransom money notes and techniques of obtaining the ransom money amount might vary depending upon particular neighborhood (regional) setups. The ransom notes as well as techniques of extorting the ransom money amount may differ depending on certain regional (local) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software.

    In certain locations, the Trojans typically wrongfully report having actually found some unlicensed applications enabled on the sufferer’s device. The alert after that requires the individual to pay the ransom money.

    Faulty declarations about prohibited web content.

    In nations where software program piracy is less preferred, this method is not as reliable for the cyber frauds. Additionally, the Trojan:Win32/Qakbot.CS!cert popup alert might incorrectly declare to be stemming from a law enforcement institution as well as will report having located child porn or other unlawful data on the tool.

    Trojan:Win32/Qakbot.CS!cert popup alert might incorrectly assert to be obtaining from a regulation enforcement organization and will report having located kid porn or other prohibited data on the tool. The alert will likewise consist of a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 79620A54
md5: fa0bb716835752924af17a11933aa75c
name: FA0BB716835752924AF17A11933AA75C.mlw
sha1: 096514273f535c4adfa586d78edeff7ee11d5ebe
sha256: 5113abecec0148145fb715b8b78ebb75fe63235bfa132bebf8bde9ae69837e54
sha512: 6c44fffa6d194caa73f912c42d143c709e556a6e42e33fd5a6c54fe0cc68863697d1eb629489b938bd030a6a229b4eb2f05d3476246befcde17f82d8dc4c632b
ssdeep: 12288:mqflDDoKCrB0NNHCW8k45hox9l7pUHzX6EQ2Xbhp:m0+l0NNHCWZmO7aH3NbX
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Qakbot.CS!cert also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKDZ.71353
FireEyeGeneric.mg.fa0bb71683575292
McAfeeGenericRXAA-AA!FA0BB7168357
CylanceUnsafe
SangforMalware
BitDefenderTrojan.GenericKDZ.71353
Cybereasonmalicious.73f535
TrendMicroTROJ_GEN.R06CC0DKI20
CyrenW32/Qbot.AL.gen!Eldorado
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:DangerousSig [Trj]
KasperskyHEUR:Trojan.Win32.Zenpak.vho
Ad-AwareTrojan.GenericKDZ.71353
SophosMal/EncPk-APV
DrWebTrojan.Inject4.4899
InvinceaMal/EncPk-APV
McAfee-GW-EditionBehavesLike.Win32.Ransomware.tz
EmsisoftMalCert.A (A)
IkarusTrojan.Win32.Injector
MAXmalware (ai score=81)
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/Qakbot.CS!cert
ArcabitTrojan.Generic.D116B9
ZoneAlarmHEUR:Trojan.Win32.Zenpak.vho
GDataWin32.Trojan.PSE.15YDJ3G
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.QBot.R355478
BitDefenderThetaGen:NN.ZexaF.34634.cnX@aucv5pd
ALYacTrojan.GenericKDZ.71353
VBA32BScope.Trojan.Cobalt
MalwarebytesBackdoor.Qbot
ESET-NOD32a variant of Win32/Injector.ENWS
TrendMicro-HouseCallTROJ_GEN.R06CC0DKI20
RisingTrojan.Injector!1.CEEF (CLASSIC)
SentinelOneStatic AI – Malicious PE
eGambitPE.Heur.InvalidSig
FortinetW32/Kryptik.GLWT!tr
AVGWin32:DangerousSig [Trj]
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Trojan:Win32/Qakbot.CS!cert virus?

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 Trojan:Win32/Qakbot.CS!cert 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 Trojan:Win32/Qakbot.CS!cert 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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