Trojan-Downloader.Tiny (A)

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Trojan-Downloader.Tiny (A) infection?

In this article you will discover about the interpretation of Trojan-Downloader.Tiny (A) as well as its adverse influence on your computer. Such ransomware are a form of malware that is specified by online frauds to demand paying the ransom money by a victim.

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Most of the situations, Trojan-Downloader.Tiny (A) infection will certainly advise its victims to start funds move for the function of counteracting the modifications that the Trojan infection has presented to the sufferer’s device.

Trojan-Downloader.Tiny (A) Summary

These alterations 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.
  • Attempts to connect to a dead IP:Port (1 unique times);
  • A process attempted to delay the analysis task.;
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Deletes its original binary from disk;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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 papers situated on the victim’s hard disk drive — so the victim can no longer use the information;
  • Preventing normal 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.
Similar behavior
Related domains
xdx.s4f5er4t5g1df23saadse.club Trojan-Ransom.HydraCrypt
fk.openyourass.club Trojan-Ransom.HydraCrypt

Trojan-Downloader.Tiny (A)

One of the most regular networks where Trojan-Downloader.Tiny (A) are infused are:

  • By means of phishing e-mails;
  • As a repercussion of customer ending up on a resource that holds a harmful software program;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s computer or avoid the tool from operating in a proper fashion – while additionally placing a ransom money note that discusses the requirement for the targets to impact the settlement for the objective of decrypting the files or bring back the file system back to the first condition. In many circumstances, the ransom note will certainly turn up when the customer reboots the PC after the system has actually currently been damaged.

Trojan-Downloader.Tiny (A) circulation networks.

In various corners of the globe, Trojan-Downloader.Tiny (A) expands by jumps and also bounds. However, the ransom money notes and also methods of obtaining the ransom amount might vary depending on specific neighborhood (regional) settings. The ransom notes as well as methods of obtaining the ransom quantity might vary depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having actually spotted some unlicensed applications made it possible for on the target’s gadget. The alert then requires the customer to pay the ransom.

    Faulty statements about unlawful content.

    In nations where software application piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Conversely, the Trojan-Downloader.Tiny (A) popup alert may falsely claim to be deriving from a police establishment and will certainly report having located youngster pornography or other unlawful information on the gadget.

    Trojan-Downloader.Tiny (A) popup alert might incorrectly declare to be acquiring from a legislation enforcement organization and also will certainly report having situated youngster porn or other prohibited data on the gadget. The alert will in a similar way consist of a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 83080E73
md5: 8a1dc714b39b7a310e1c4d7a25ea5630
name: download.exe
sha1: 57176a4d3322a5f44b69ac94da1ef93421b660e0
sha256: 27e556ab69121c7cdaa0e0cca62f5ea8e888fd2958375412d425616660092c77
sha512: dbb1d7711a0478f0f90fd55bf8fa024d4dd6fc3250936e829c8bffe42daa13199039782157c9f0708d74b6b6fdc5281915dfa211f8c89c12d4ac0897c6065f63
ssdeep: 1536:+SA7zB/dFUHk5xmltOC9rMy9eMhV8jrYFzflez3a498XL8tNZ:+SA7RdaHkzml/rMy9pH8/YFfl43aG8
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan-Downloader.Tiny (A) also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.DownLoader25.10311
MicroWorld-eScan Gen:Trojan.Downloader.fmGfa8gFUSbj
FireEye Generic.mg.8a1dc714b39b7a31
CAT-QuickHeal Trojan.Mauvaise.SL1
McAfee Artemis!8A1DC714B39B
Malwarebytes Trojan.Downloader.UPX
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
CrowdStrike win/malicious_confidence_90% (W)
BitDefender Gen:Trojan.Downloader.fmGfa8gFUSbj
K7GW Trojan-Downloader ( 0054d9311 )
K7AntiVirus Trojan-Downloader ( 0054d9311 )
TrendMicro Backdoor.Win32.ZEGOST.SMS
BitDefenderTheta Gen:NN.ZexaF.33558.fmGfa8gFUSbj
F-Prot W32/Blackmoon.M.gen!Eldorado
Symantec Trojan Horse
APEX Malicious
Avast Win32:DropperX-gen [Drp]
ClamAV Win.Dropper.Gh0stRAT-6989861-0
GData Win32.Trojan.Agent.WP
Kaspersky Trojan.Win32.Siscos.wgv
Alibaba TrojanDownloader:Win32/Siscos.4978e4b3
NANO-Antivirus Trojan.Win32.Tiny.gkwjyw
ViRobot Trojan.Win32.Z.Downloader.92160
AegisLab Trojan.Win32.Siscos.4!c
Rising Backdoor.Zegost!8.177 (TFE:5:GhyWtHWPdCV)
Ad-Aware Gen:Trojan.Downloader.fmGfa8gFUSbj
Emsisoft Trojan-Downloader.Tiny (A)
Comodo Packed.Win32.MUPX.Gen@24tbus
F-Secure Heuristic.HEUR/AGEN.1014775
Zillya Trojan.Siscos.Win32.5587
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Trojan.nc
Sophos Troj/Agent-AWJO
Ikarus Trojan-Ransom.HydraCrypt
Cyren W32/Blackmoon.M.gen!Eldorado
Jiangmin Trojan.Siscos.on
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1014775
MAX malware (ai score=100)
Antiy-AVL Trojan/Win32.Wacatac
Endgame malicious (moderate confidence)
Arcabit Trojan.Downloader.fmGfa8gFUSbj
ZoneAlarm Trojan.Win32.Siscos.wgv
Microsoft Trojan:Win32/Occamy.C
AhnLab-V3 Trojan/Win32.Kryptik.R265106
Acronis suspicious
VBA32 BScope.Backdoor.BlackHole
ALYac Gen:Trojan.Downloader.fmGfa8gFUSbj
Cylance Unsafe
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/TrojanDownloader.Tiny.NQG
TrendMicro-HouseCall Backdoor.Win32.ZEGOST.SMS
Yandex Trojan.Siscos!qvsRSp3UlMg
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.FHSF!tr
AVG Win32:DropperX-gen [Drp]
Cybereason malicious.4b39b7
Paloalto generic.ml
Qihoo-360 Win32/Trojan.ee5

How to remove Trojan-Downloader.Tiny (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

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 install-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-Downloader.Tiny (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:

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If the guide doesn’t help you to remove Trojan-Downloader.Tiny (A) 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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