Written by Robert Bailey

What is Trojan.FileLock infection?

In this post you will certainly find about the interpretation of Trojan.FileLock and also its negative influence on your computer. Such ransomware are a kind of malware that is specified by online scams to require paying the ransom by a sufferer.

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Most of the situations, Trojan.FileLock ransomware will certainly instruct its victims to launch funds transfer for the function of neutralizing the changes that the Trojan infection has actually introduced to the target’s tool.

Trojan.FileLock Summary

These adjustments can be as complies with:

  • 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;
  • Mimics the file times of a Windows system file;
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Ciphering the files located on the target’s hard disk drive — so the victim can no more utilize the data;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains Trojan.Ransom.AIG Trojan.Ransom.AIG


One of the most regular channels where Trojan.FileLock Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of user winding up on a resource that hosts a harmful software application;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s PC or protect against the tool from working in a correct manner – while also positioning a ransom money note that points out the need for the targets to effect the settlement for the function of decrypting the documents or recovering the file system back to the first problem. In the majority of circumstances, the ransom money note will come up when the client restarts the PC after the system has currently been damaged.

Trojan.FileLock distribution channels.

In various edges of the globe, Trojan.FileLock grows by leaps and also bounds. Nevertheless, the ransom notes as well as methods of obtaining the ransom money quantity may differ depending upon specific local (local) setups. The ransom money notes and also methods of extorting the ransom quantity might vary depending on certain regional (local) settings.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having actually found some unlicensed applications allowed on the target’s tool. The alert after that demands the customer to pay the ransom.

    Faulty statements about unlawful content.

    In nations where software piracy is less prominent, this technique is not as effective for the cyber scams. Alternatively, the Trojan.FileLock popup alert might incorrectly claim to be deriving from a police establishment and will certainly report having situated child porn or other unlawful information on the tool.

    Trojan.FileLock popup alert might falsely assert to be obtaining from a legislation enforcement institution and also will certainly report having situated child porn or other prohibited data on the gadget. The alert will likewise contain a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 0F9BB72A
md5: 7038aa2d7e2e316cdb8aed71162020c7
name: 7038AA2D7E2E316CDB8AED71162020C7.mlw
sha1: cb3ca6727ee442fbc7659d9c47a498c5f4408ff0
sha256: fb54a1b85ab37cdee346e06cf716cbe0b071f4833020823595f3b69614c5446e
sha512: cc2c4503859e50492856456147ddb3249d5b586c9342423d46846db43b0f6d61c1c01e7f7c4f4778b8bb7ea2ea60093202ff62bbe7f9f1de2b727f48354e9ee9
ssdeep: 96:W+Zhl8wdS+r3yOYW189fTwUVF0CWHyjk8P1LOmjXfihExyxPKutwN3ubC9oyaQ2:7zdrr1FG1WDCgmjPZklGNNXL2z3VMUA
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan.FileLock also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.25389
MicroWorld-eScan Trojan.Ransom.AIG
CAT-QuickHeal Trojan.Ransom.FO4
ALYac Trojan.Ransom.Xorist
Cylance Unsafe
AegisLab Trojan.Win32.Xorist.lxle
Sangfor Malware
K7AntiVirus Trojan ( 005451b81 )
BitDefender Trojan.Ransom.AIG
K7GW Trojan ( 005451b81 )
Cybereason malicious.d7e2e3
Arcabit Trojan.Ransom.AIG
BitDefenderTheta Gen:NN.ZexaF.34742.amGfaS5gl@ei
Cyren W32/Filecoder.Y.gen!Eldorado
Symantec Ransom.CryptoTorLocker
APEX Malicious
ClamAV Win.Trojan.CryptoTorLocker2015-1
Kaspersky Trojan-Ransom.Win32.Xorist.ln
Alibaba Ransom:Win32/generic.ali2000010
NANO-Antivirus Trojan.Win32.Xorist.dxuuhl
Rising Ransom.Sorikrypt!8.8822 (TFE:5:H50DeYUdIVS)
Ad-Aware Trojan.Ransom.AIG
Sophos ML/PE-A + Troj/Ransom-EY
Comodo TrojWare.Win32.Kryptik.ER@4o1ar2
F-Secure Trojan:W32/RansomCrypt.D
Baidu Win32.Trojan.Filecoder.g
TrendMicro Ransom_XORIST.SMA
McAfee-GW-Edition Ransom-FASZ!075665727C81
Emsisoft Trojan.Ransom.AIG (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Xorist.dl
MaxSecure Trojan.Malware.121218.susgen
Avira TR/Ransom.Xorist.EJ
MAX malware (ai score=100)
Antiy-AVL Trojan[Ransom]/Win32.Xorist
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Sorikrypt
ZoneAlarm Trojan-Ransom.Win32.Xorist.ln
GData Win32.Trojan-Ransom.Xorist.D
Cynet Malicious (score: 100)
Acronis suspicious
McAfee Artemis!7038AA2D7E2E
TACHYON Trojan/W32.Xorist.13312.E
VBA32 Hoax.Xorist
Malwarebytes Trojan.FileLock
Panda Trj/RansomXor.A
ESET-NOD32 a variant of Win32/Filecoder.Q
TrendMicro-HouseCall Ransom_XORIST.SMA
Tencent Trojan.Win32.CryptoTorLocker2015.a
Yandex Trojan.GenAsa!/o0pq2Faa4I
Ikarus Win32.Outbreak
eGambit Unsafe.AI_Score_99%
Fortinet W32/Xorist.DD8C!tr.ransom
Webroot W32.Trojan.Gen
AVG FileRepMalware
Avast Win32:Evo-gen [Susp]
Qihoo-360 Win32/Trojan.Ransom.67b

How to remove Trojan.FileLock 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 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.

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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.FileLock 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.FileLock 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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