MSIL/TrojanDownloader.Agent.CTE

What is MSIL/TrojanDownloader.Agent.CTE infection?

In this short article you will discover about the definition of MSIL/TrojanDownloader.Agent.CTE and also its negative impact on your computer. Such ransomware are a form of malware that is specified by on-line fraudulences to require paying the ransom money by a target.

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Most of the situations, MSIL/TrojanDownloader.Agent.CTE infection will instruct its sufferers to start funds move for the objective of counteracting the changes that the Trojan infection has actually presented to the victim’s device.

MSIL/TrojanDownloader.Agent.CTE Summary

These adjustments can be as complies with:

  • 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.
  • 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
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • Ciphering the files located on the victim’s hard disk — so the target can no more utilize the data;
  • Preventing routine access to the sufferer’s workstation;

MSIL/TrojanDownloader.Agent.CTE

The most normal networks through which MSIL/TrojanDownloader.Agent.CTE Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of user ending up on a source that holds a malicious software program;

As soon as the Trojan is effectively infused, it will either cipher the information on the sufferer’s computer or stop the device from operating in a proper manner – while also positioning a ransom note that mentions the demand for the victims to impact the payment for the objective of decrypting the documents or bring back the documents system back to the initial problem. In the majority of instances, the ransom money note will turn up when the client reboots the PC after the system has actually already been harmed.

MSIL/TrojanDownloader.Agent.CTE circulation channels.

In different edges of the world, MSIL/TrojanDownloader.Agent.CTE grows by leaps and also bounds. Nonetheless, the ransom notes as well as methods of obtaining the ransom quantity may vary depending upon certain regional (regional) setups. The ransom money notes and tricks of extorting the ransom amount may differ depending on certain regional (regional) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software.

    In particular areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications allowed on the victim’s device. The alert then requires the user to pay the ransom money.

    Faulty statements regarding unlawful web content.

    In nations where software piracy is much less prominent, this technique is not as reliable for the cyber frauds. Additionally, the MSIL/TrojanDownloader.Agent.CTE popup alert might wrongly declare to be deriving from a law enforcement institution and will certainly report having situated kid porn or other prohibited information on the tool.

    MSIL/TrojanDownloader.Agent.CTE popup alert may wrongly claim to be obtaining from a regulation enforcement organization and also will certainly report having situated child pornography or other illegal data on the tool. The alert will similarly have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: E3465B78
md5: aa1e5fae96fc469ff12c61e7e8bc64bb
name: AA1E5FAE96FC469FF12C61E7E8BC64BB.mlw
sha1: 1843d1f0a6ac85d1ee95cbc8ea4caaad65d7679d
sha256: 0173e94c71ffeb9d6b4000c53ee6a6a5a0ac6606be0a55599683aa7f5808a4c6
sha512: d6d716cd7824a05a5264a1359ef705ddd54b059a01af190d4382d5e0969ed0d0448937d466872e77d47584f16a502b58422fff84fe41571104cb142edb221045
ssdeep: 1536:AwFYE/yMUXF2WJJfZHmSMxfmRAWzUUBuB1s10iv1febYX5Pc6:AwFYE/yMUXF2WjdJMtFWzhBuQ1jv1fe
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft 2016
Assembly Version: 0.7.7.8
InternalName: vomLoader.exe
FileVersion: 0.7.7.8
CompanyName: Microsoft
ProductName: mcAudiopress
ProductVersion: 0.7.7.8
FileDescription: mcAudiopress
OriginalFilename: vomLoader.exe

MSIL/TrojanDownloader.Agent.CTE also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan-Downloader ( 0057057d1 )
Cynet Malicious (score: 85)
ALYac Trojan.GenericKD.35113062
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.24762
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Trojan:Win32/Starter.ali2000005
K7GW Trojan-Downloader ( 0057057d1 )
Cybereason malicious.e96fc4
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/TrojanDownloader.Agent.CTE
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.jvzo
BitDefender Trojan.GenericKD.35113062
NANO-Antivirus Trojan.Win32.Blocker.ekhmpd
MicroWorld-eScan Trojan.GenericKD.35113062
Tencent Win32.Trojan.Blocker.Llra
Ad-Aware Trojan.GenericKD.35113062
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZemsilF.34628.eq0@ammkjv
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Blocker.R002C0GK820
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.aa1e5fae96fc469f
Emsisoft Trojan.GenericKD.35113062 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.GenKD
Avira TR/Spy.Gen
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Wraut.A
Arcabit Trojan.Generic.D217C866
ZoneAlarm Trojan-Ransom.Win32.Blocker.jvzo
GData Trojan.GenericKD.35113062
McAfee Artemis!AA1E5FAE96FC
MAX malware (ai score=83)
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_Blocker.R002C0GK820
Ikarus Trojan-Dropper.MSIL.Binder
Fortinet MSIL/Generic.AP.633BC!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOcA

How to remove MSIL/TrojanDownloader.Agent.CTE 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 MSIL/TrojanDownloader.Agent.CTE 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 MSIL/TrojanDownloader.Agent.CTE 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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