Written by Robert Bailey

What is TrojanSpy:Win32/Quasdent.A infection?

In this short article you will certainly find regarding the meaning of TrojanSpy:Win32/Quasdent.A and also its negative impact on your computer system. Such ransomware are a type of malware that is specified by online fraudulences to demand paying the ransom by a victim.

GridinSoft Anti-Malware Review

It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
GridinSoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | GridinSoft

Most of the instances, TrojanSpy:Win32/Quasdent.A infection will instruct its victims to start funds transfer for the purpose of reducing the effects of the modifications that the Trojan infection has introduced to the target’s gadget.

TrojanSpy:Win32/Quasdent.A Summary

These alterations can be as adheres to:

  • Executable code extraction;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data.;
  • Looks up the external IP address;
  • Sniffs keystrokes;
  • Installs itself for autorun at Windows startup;
  • Creates a copy of itself;
  • Creates known Quasar mutexes;
  • Collects information to fingerprint the system;
  • Ciphering the files located on the sufferer’s hard drive — so the target can no longer use the data;
  • Preventing normal access to the victim’s workstation;

Related domains: Gen:Variant.Ransom.JobCrypter.19 Gen:Variant.Ransom.JobCrypter.19 Gen:Variant.Ransom.JobCrypter.19 Gen:Variant.Ransom.JobCrypter.19 Gen:Variant.Ransom.JobCrypter.19 Gen:Variant.Ransom.JobCrypter.19 Gen:Variant.Ransom.JobCrypter.19


The most normal networks through which TrojanSpy:Win32/Quasdent.A Ransomware Trojans are injected are:

  • By methods of phishing e-mails;
  • As a consequence of user winding up on a source that hosts a harmful software program;

As soon as the Trojan is efficiently injected, it will either cipher the information on the target’s computer or protect against the gadget from working in an appropriate manner – while additionally putting a ransom money note that discusses the need for the victims to impact the settlement for the function of decrypting the files or restoring the data system back to the initial problem. In the majority of circumstances, the ransom note will turn up when the client reboots the PC after the system has already been harmed.

TrojanSpy:Win32/Quasdent.A distribution networks.

In different corners of the globe, TrojanSpy:Win32/Quasdent.A expands by jumps and bounds. Nonetheless, the ransom money notes as well as techniques of extorting the ransom amount may differ depending upon particular local (regional) settings. The ransom notes and techniques of obtaining the ransom quantity may vary depending on certain local (local) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having discovered some unlicensed applications allowed on the victim’s device. The alert after that requires the individual to pay the ransom.

    Faulty statements about illegal web content.

    In nations where software application piracy is much less popular, this method is not as reliable for the cyber fraudulences. Alternatively, the TrojanSpy:Win32/Quasdent.A popup alert may falsely declare to be deriving from a law enforcement institution and also will certainly report having situated youngster porn or other unlawful information on the gadget.

    TrojanSpy:Win32/Quasdent.A popup alert may incorrectly assert to be acquiring from a legislation enforcement establishment and will certainly report having located kid pornography or other unlawful information on the device. The alert will likewise include a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: AE6FE9B2
md5: 65944945864cc40d4f15d012eaecaf97
name: 65944945864CC40D4F15D012EAECAF97.mlw
sha1: 46c5d69140ac4f7047859695f3bddd4226863e41
sha256: b22a4365f79bf955b23a90d6a5996df55eb709bb3169bcc91160d358260bff5a
sha512: b7a61e698d6d182d5cc4f5e4993e6036efad1245566aaef28ef37b4e252b29d5d31b6de68e3eb0069804e535ce5dd171e1cac259f321f7fbd9c9d7a5770df245
ssdeep: 3072:TwxUgboLMx4FpmvFIAIS2LIa4aXvl6yC5ect5+Kw4O7Rrv73uKqJA:cLIHdS20a4aXtYTQmOZDeD
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: xa9Firefox and Mozilla Developers; available under the MPL 2 license.
InternalName: Firefox
FileVersion: 60.0
CompanyName: Mozilla Corporation
BuildID: 20180503143129
LegalTrademarks: Firefox is a Trademark of The Mozilla Foundation.
ProductName: Firefox
ProductVersion: 60.0
FileDescription: Firefox
OriginalFilename: firefox.exe
Translation: 0x0000 0x04b0

TrojanSpy:Win32/Quasdent.A also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 005384ca1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader15.58394
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.JobCrypter.19
Cylance Unsafe
Zillya Trojan.Quasar.Win32.742
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
K7GW Trojan ( 005384ca1 )
Cybereason malicious.5864cc
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Generik.MXLUYMV
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Spy.MSIL.Quasar.emf
BitDefender Gen:Variant.Ransom.JobCrypter.19
NANO-Antivirus Trojan.Win32.Dwn.fburiq
MicroWorld-eScan Gen:Variant.Ransom.JobCrypter.19
Tencent Msil.Trojan-spy.Quasar.Wozs
Ad-Aware Gen:Variant.Ransom.JobCrypter.19
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZemsilF.34770.mm0@aSzDjtf
Emsisoft Gen:Variant.Ransom.JobCrypter.19 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1126750
eGambit Unsafe.AI_Score_95%
Microsoft TrojanSpy:Win32/Quasdent.A
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Variant.Ransom.JobCrypter.19
AhnLab-V3 Win-Trojan/FCN.140610.X1385
McAfee Artemis!65944945864C
MAX malware (ai score=94)
Panda Trj/GdSda.A
Yandex TrojanSpy.Quasar!Z5XkafV5VXM
Ikarus Trojan-Downloader.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Quasar.EMF!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Backdoor.Quasar.HgIASSEA

How to remove TrojanSpy:Win32/Quasdent.A 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 TrojanSpy:Win32/Quasdent.A 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 TrojanSpy:Win32/Quasdent.A you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

About the author

Robert Bailey

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

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.