Written by Robert Bailey

What is Trojan:Win32/AgentTesla.AB!MSR infection?

In this post you will certainly locate regarding the definition of Trojan:Win32/AgentTesla.AB!MSR and its unfavorable influence on your computer. Such ransomware are a kind of malware that is clarified by on-line fraudulences to demand paying the ransom by a target.

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In the majority of the cases, Trojan:Win32/AgentTesla.AB!MSR infection will advise its victims to launch funds transfer for the purpose of counteracting the amendments that the Trojan infection has presented to the victim’s device.

Trojan:Win32/AgentTesla.AB!MSR Summary

These modifications can be as follows:

  • Executable code extraction;
  • Possible date expiration check, exits too soon after checking local time;
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Attempts to connect to a dead IP:Port (8 unique times);
  • Starts servers listening on;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Deletes its original binary from disk;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Steals private information from local Internet browsers;
  • Network activity contains more than one unique useragent.;
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Creates a hidden or system file;
  • Attempts to create or modify system certificates;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files situated on the sufferer’s hard disk — so the victim can no longer make use of the data;
  • Preventing routine accessibility to the victim’s workstation;

Related domains: Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb Ransom:Win32/DustySky.b7fbebfb


The most typical networks through which Trojan:Win32/AgentTesla.AB!MSR are infused are:

  • By methods of phishing e-mails;
  • As an effect of user ending up on a resource that holds a malicious software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s PC or protect against the gadget from working in an appropriate fashion – while likewise putting a ransom money note that mentions the requirement for the targets to impact the repayment for the purpose of decrypting the documents or bring back the file system back to the first condition. In the majority of circumstances, the ransom money note will certainly turn up when the client restarts the COMPUTER after the system has actually already been harmed.

Trojan:Win32/AgentTesla.AB!MSR circulation networks.

In numerous edges of the world, Trojan:Win32/AgentTesla.AB!MSR grows by jumps and bounds. However, the ransom money notes as well as tricks of obtaining the ransom money quantity may vary relying on certain neighborhood (local) setups. The ransom money notes and methods of extorting the ransom amount might vary depending on certain local (regional) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In certain locations, the Trojans usually wrongfully report having found some unlicensed applications allowed on the target’s gadget. The sharp after that requires the user to pay the ransom.

    Faulty declarations concerning prohibited material.

    In nations where software piracy is much less popular, this method is not as efficient for the cyber scams. Additionally, the Trojan:Win32/AgentTesla.AB!MSR popup alert might falsely assert to be deriving from a law enforcement establishment and also will report having situated child porn or various other prohibited data on the device.

    Trojan:Win32/AgentTesla.AB!MSR popup alert may wrongly claim to be deriving from a regulation enforcement organization and will report having located kid porn or other unlawful information on the device. The alert will in a similar way include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 4EA0D416
md5: 3f1f81101d0ce95fdfac97f5913cd662
name: 3F1F81101D0CE95FDFAC97F5913CD662.mlw
sha1: 8e615a64e4d72b08926242b7d73a608bdd7e9fce
sha256: 90aa6a7c770f2c0f49596731c80fda7d044802dea9e905ff999b39cda5428407
sha512: a776c1f8636ef90d294becf8d09a45366463364026837c19e13227c1c5c9a6656b6fa525e0eec5a1a46997b6ef7066e958c02523a7c4538d046f8b2091145285
ssdeep: 49152:9gmyqbLa4v/PurN5Abmm0s+yU82ab80KqjHowNyUZCsMRPoFyDkM+2LRHWzlUzWQ:ynqq8PsfnCUPaQT2ooyUrMFv+2l2RUzB
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Trojan:Win32/AgentTesla.AB!MSR also known as:

GridinSoft Trojan.Ransom.Gen
Lionic Trojan.Win32.Jaik.4!c
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader42.39919
ClamAV Win.Packed.Barys-9859531-0
CAT-QuickHeal Trojan.SabsikIH.S21959152
ALYac Gen:Variant.Jaik.45703
Cylance Unsafe
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/DustySky.b7fbebfb
Cyren W32/Kryptik.EYC.gen!Eldorado
Symantec Trojan Horse
ESET-NOD32 multiple detections
APEX Malicious
Avast Win32:CrypterX-gen [Trj]
Cynet Malicious (score: 100)
Kaspersky Trojan.Win32.DustySky.iv
BitDefender Gen:Variant.Jaik.45703
MicroWorld-eScan Gen:Variant.Jaik.45703
Tencent Msil.Trojan.Crypt.Lkxz
Sophos Mal/Generic-R
BitDefenderTheta Gen:NN.ZedlaF.34126.n88baOE@FOp
Emsisoft Gen:Variant.Jaik.45703 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1144141
Antiy-AVL Trojan/Generic.ASMalwS.345DB2F
Kingsoft Win32.Troj.Banker.(kcloud)
Microsoft Trojan:Win32/AgentTesla.AB!MSR
Gridinsoft Trojan.Win32.Dropper.ko!s5
Arcabit Trojan.Jaik.DB287
ZoneAlarm HEUR:Trojan.Win32.Agent.gen
GData Gen:Variant.Jaik.45703
AhnLab-V3 Dropper/Win.MulDrop.R439720
McAfee Artemis!3F1F81101D0C
MAX malware (ai score=85)
VBA32 BScope.Trojan.Chapak
Malwarebytes Trojan.Dropper.SFX.Generic
Panda Trj/CI.A
Rising Dropper.Agent/NSIS!1.D805 (CLASSIC)
Ikarus Win32.Outbreak
Fortinet W32/BSE.4Q7Q!tr
AVG Win32:CrypterX-gen [Trj]

How to remove Trojan:Win32/AgentTesla.AB!MSR ransomware?

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 Trojan:Win32/AgentTesla.AB!MSR 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 Trojan:Win32/AgentTesla.AB!MSR you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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