Trojan.Agent.QDD

What is Trojan.Agent.QDD infection?

In this article you will certainly discover about the interpretation of Trojan.Agent.QDD and its adverse impact on your computer system. Such ransomware are a form of malware that is clarified by on-line scams to demand paying the ransom by a target.

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Most of the instances, Trojan.Agent.QDD ransomware will advise its sufferers to initiate funds move for the function of counteracting the modifications that the Trojan infection has presented to the sufferer’s tool.

Trojan.Agent.QDD Summary

These alterations can be as follows:

  • 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.
  • Compression (or decompression);
  • 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.
  • 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.

  • 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: Rhaeto (Romance);
  • Uses Windows utilities for basic functionality;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Attempts to delete volume shadow copies;
  • Exhibits behavior characteristic of Alphacrypt/Teslacrypt ransomware;
  • Network activity contains more than one unique useragent.;
  • 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
  • Writes a potential ransom message to disk;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Creates a known TeslaCrypt/AlphaCrypt ransomware decryption instruction / key file.;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records situated on the target’s disk drive — so the victim can no more make use of the information;
  • Preventing routine 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.

Trojan.Agent.QDD

The most common channels whereby Trojan.Agent.QDD are infused are:

  • By methods of phishing emails;
  • As a consequence of customer winding up on a resource that holds a malicious software program;

As quickly as the Trojan is efficiently injected, it will either cipher the data on the target’s PC or protect against the tool from functioning in an appropriate way – while also positioning a ransom note that points out the demand for the targets to effect the payment for the purpose of decrypting the files or restoring the data system back to the preliminary problem. In a lot of circumstances, the ransom note will turn up when the customer restarts the COMPUTER after the system has already been harmed.

Trojan.Agent.QDD distribution channels.

In different edges of the globe, Trojan.Agent.QDD expands by leaps and bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom quantity might differ depending on specific local (local) setups. The ransom notes as well as tricks of extorting the ransom money amount may vary depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software.

    In specific areas, the Trojans usually wrongfully report having actually found some unlicensed applications allowed on the victim’s tool. The alert after that requires the user to pay the ransom money.

    Faulty declarations concerning unlawful content.

    In nations where software application piracy is much less preferred, this approach is not as effective for the cyber scams. Conversely, the Trojan.Agent.QDD popup alert might falsely claim to be stemming from a law enforcement institution and will report having situated youngster pornography or various other prohibited information on the device.

    Trojan.Agent.QDD popup alert might falsely declare to be obtaining from a law enforcement establishment and also will report having situated youngster pornography or other unlawful data on the device. The alert will similarly include a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 692648AB
md5: 96dc40d21d90a99488de941a4f5dce24
name: 96DC40D21D90A99488DE941A4F5DCE24.mlw
sha1: 5c82f6ecc614953656c5e28a3c4f13c745d44f1d
sha256: 8a8211a7407c99a59f6aac0983371a017404ef0fca1f9d9ba367467d100695bc
sha512: 510397eb6d7edf7f560fda54d8f6310a33bc0554bc28d968c3dd49c61140e0e06594b33d6844c6cae4ca06e2c7da18af3a6a3ee40b023df10fdad4bca61cf2e0
ssdeep: 6144:qxXCmbWScsfGnOf4+h5ReDytIGFZrGxIQeuMS/Zy8R2JKGLBKauSR:aXCmbW7+Gn2XuK1ZGxWYKLkWR
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Catechists xa9 2010
InternalName: Compatibility
FileVersion: 138, 238, 143, 46
CompanyName: www.BitLord.com
ProductName: Endangering Charlatans
FileDescription: Bouncers
OriginalFilename: Centralised.exe

Trojan.Agent.QDD also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004d41c61 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.1754
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.TeslaCrypt.WR4
Cylance Unsafe
Zillya Trojan.Deshacop.Win32.215
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Tescrypt.4ba2e4fe
K7GW Trojan ( 004d41c61 )
Cybereason malicious.21d90a
Symantec Trojan.Gen
ESET-NOD32 Win32/Filecoder.TeslaCrypt.E
APEX Malicious
Avast Win32:TeslaCrypt-Y [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Cripack.Gen.1
NANO-Antivirus Trojan.Win32.Deshacop.dvuova
ViRobot Trojan.Win32.Ransom.337428
SUPERAntiSpyware Trojan.Agent/Gen-Malagent
MicroWorld-eScan Trojan.Cripack.Gen.1
Tencent Malware.Win32.Gencirc.114c7b85
Ad-Aware Trojan.Cripack.Gen.1
Sophos ML/PE-A + Mal/Tinba-L
BitDefenderTheta Gen:NN.ZexaF.34628.uq3@aWp3C3fH
VIPRE Trojan.Win32.Generic!BT
TrendMicro Cryp_HpMyApp
McAfee-GW-Edition TeslaCrypt!96DC40D21D90
FireEye Generic.mg.96dc40d21d90a994
Emsisoft Trojan.Cripack.Gen.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Deshacop.el
Webroot Trojan.Dropper.Gen
Avira HEUR/AGEN.1124199
Kingsoft Win32.Troj.Deshacop.zb.(kcloud)
Microsoft Ransom:Win32/Tescrypt.C
Arcabit Trojan.Cripack.Gen.1
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.Cripack.Gen.1
AhnLab-V3 Win-Trojan/Lockycrypt.Gen
Acronis suspicious
McAfee TeslaCrypt!96DC40D21D90
MAX malware (ai score=100)
VBA32 BScope.Trojan.Encoder
Malwarebytes Trojan.Agent.QDD
Panda Trj/Genetic.gen
TrendMicro-HouseCall Cryp_HpMyApp
Rising Ransom.Tescrypt!8.3AF (CLOUD)
Yandex Trojan.Deshacop!SRBEA1zzqp8
Ikarus Trojan.Win32.Filecoder
Fortinet W32/Deshacop.XO!tr
AVG Win32:TeslaCrypt-Y [Trj]
Qihoo-360 HEUR/QVM07.1.Malware.Gen

How to remove Trojan.Agent.QDD 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

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 Trojan.Agent.QDD 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.Agent.QDD 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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