Ransom.FileCryptor.UPX

Written by Robert Bailey

What is Ransom.FileCryptor.UPX infection?

In this article you will certainly find regarding the interpretation of Ransom.FileCryptor.UPX and also its negative impact on your computer. Such ransomware are a type of malware that is specified by online frauds to require paying the ransom money by a victim.

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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.
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Most of the instances, Ransom.FileCryptor.UPX virus will advise its victims to start funds move for the objective of neutralizing the changes that the Trojan infection has actually introduced to the target’s device.

Ransom.FileCryptor.UPX Summary

These alterations can be as complies with:

  • 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.
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • 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.
  • Unconventionial language used in binary resources: Russian;
  • 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;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Attempts to stop active services;
  • Modifies boot configuration settings;
  • 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;
  • Clears Windows events or logs;
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents situated on the victim’s hard disk — so the target can no longer make use of the data;
  • Preventing regular accessibility to the target’s workstation;

Ransom.FileCryptor.UPX

One of the most typical channels whereby Ransom.FileCryptor.UPX Ransomware are infused are:

  • By means of phishing emails;
  • As a repercussion of individual ending up on a source that hosts a destructive software;

As quickly as the Trojan is efficiently injected, it will either cipher the data on the victim’s PC or avoid the gadget from functioning in a proper manner – while additionally positioning a ransom money note that points out the need for the sufferers to impact the repayment for the function of decrypting the papers or recovering the documents system back to the preliminary condition. In a lot of instances, the ransom note will certainly show up when the customer reboots the PC after the system has actually already been harmed.

Ransom.FileCryptor.UPX circulation channels.

In different edges of the world, Ransom.FileCryptor.UPX grows by jumps and bounds. However, the ransom money notes and also methods of obtaining the ransom money quantity might vary relying on specific regional (local) setups. The ransom notes and techniques of extorting the ransom money quantity may differ depending on certain regional (local) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software program.

    In certain areas, the Trojans often wrongfully report having detected some unlicensed applications enabled on the sufferer’s tool. The sharp after that demands the customer to pay the ransom money.

    Faulty statements about unlawful material.

    In nations where software application piracy is less preferred, this approach is not as efficient for the cyber fraudulences. Additionally, the Ransom.FileCryptor.UPX popup alert may falsely declare to be stemming from a police organization as well as will report having located child pornography or other unlawful data on the tool.

    Ransom.FileCryptor.UPX popup alert may wrongly assert to be obtaining from a regulation enforcement organization and also will certainly report having located kid pornography or other unlawful information on the gadget. The alert will likewise have a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 7ECAE5BE
md5: 6d48398676614b16cb8fe4e379802801
name: 6D48398676614B16CB8FE4E379802801.mlw
sha1: 5a9cf8bb00260fa1fa39164e054f33e4f0588a63
sha256: 9dd6359bcbb9f1b2aac1dc5655efb6163c64f701cfae8a1da8ef6853db76551c
sha512: 48cea2786fed4d441c921bf9e478a35739726fa9640ff4eb01a5ecedefc4c88fdf7543a02b24065f66e1df091ed3baa0c8ed2d2aff0e42be1f7c41897c321ad1
ssdeep: 6144:/cwZMZ9CdyBmP3beXnzGqBaQVJxr7gObN6Af:/ECAmP6XzGzQThVbN1
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Ransom.FileCryptor.UPX also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053d4981 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.25238
Cynet Malicious (score: 100)
ALYac Generic.Ransom.Mole.7B73BDEC
Cylance Unsafe
Sangfor Ransom.Win32.Higuniel.A
Alibaba Ransom:Win32/generic.ali2000010
K7GW Trojan ( 0053d4981 )
Cybereason malicious.676614
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.NPI
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Encoder.rz
BitDefender Generic.Ransom.Mole.7B73BDEC
NANO-Antivirus Trojan.Win32.Filecoder.fasfoe
ViRobot Trojan.Win32.S.Sepsis.252928
MicroWorld-eScan Generic.Ransom.Mole.7B73BDEC
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Generic.Ransom.Mole.7B73BDEC
Sophos Mal/BTCWare-B
Comodo Malware@#rdd87qrmovtc
BitDefenderTheta AI:Packer.E4AC8E2A1F
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition GenericRXFD-KS!8584BDE7FC4D
FireEye Generic.mg.6d48398676614b16
Emsisoft Generic.Ransom.Mole.7B73BDEC (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.cfwtu
Webroot W32.Trojan.Gen
Avira TR/AD.RansomHeur.jbpys
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Higuniel.A
Arcabit Generic.Ransom.Mole.7B73BDEC
AegisLab Trojan.Win32.Encoder.4!c
ZoneAlarm Trojan-Ransom.Win32.Encoder.rz
GData Generic.Ransom.Mole.7B73BDEC
AhnLab-V3 Trojan/Win32.Generic.C2454417
McAfee Artemis!6D4839867661
MAX malware (ai score=99)
VBA32 BScope.TrojanRansom.Higuniel
Malwarebytes Ransom.FileCryptor.UPX
Panda Trj/GdSda.A
Rising Ransom.Higuniel!8.F44A (CLOUD)
Yandex Trojan.GenAsa!/lmFUGW0+cU
Ikarus Trojan-Ransom.FileCrypter
Fortinet W32/Filecoder.NPI!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Ransom.FileCryptor.UPX ransomware?

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 Ransom.FileCryptor.UPX 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 Ransom.FileCryptor.UPX 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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