Ransom.Amnesia

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

What is Ransom.Amnesia infection?

In this article you will certainly locate regarding the definition of Ransom.Amnesia and also its negative impact on your computer system. Such ransomware are a type of malware that is specified by on-line frauds to require paying the ransom by a sufferer.

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In the majority of the instances, Ransom.Amnesia ransomware will advise its targets to start funds transfer for the objective of neutralizing the amendments that the Trojan infection has introduced to the victim’s gadget.

Ransom.Amnesia Summary

These adjustments can be as follows:

  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Modifies boot configuration settings;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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;
  • 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.
  • Likely virus infection of existing system binary;
  • Detects Joe or Anubis Sandboxes through the presence of a file;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Clears Windows events or logs;
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents situated on the target’s hard disk — so the sufferer can no longer use the information;
  • Preventing regular accessibility to the victim’s workstation;

Ransom.Amnesia

One of the most regular channels through which Ransom.Amnesia Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a source that holds a harmful software application;

As soon as the Trojan is successfully injected, it will either cipher the data on the target’s computer or avoid the device from functioning in an appropriate manner – while likewise putting a ransom money note that mentions the requirement for the victims to effect the payment for the purpose of decrypting the documents or recovering the file system back to the preliminary condition. In the majority of circumstances, the ransom money note will turn up when the client restarts the PC after the system has actually currently been harmed.

Ransom.Amnesia circulation networks.

In different corners of the globe, Ransom.Amnesia expands by jumps and also bounds. Nevertheless, the ransom money notes and methods of extorting the ransom quantity might differ depending upon certain regional (regional) settings. The ransom money notes and methods of obtaining the ransom money quantity might differ depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In certain areas, the Trojans often wrongfully report having discovered some unlicensed applications enabled on the target’s gadget. The alert then demands the user to pay the ransom money.

    Faulty statements concerning illegal content.

    In nations where software application piracy is much less preferred, this technique is not as effective for the cyber frauds. Additionally, the Ransom.Amnesia popup alert might wrongly claim to be originating from a police establishment and will report having situated child pornography or various other unlawful information on the gadget.

    Ransom.Amnesia popup alert might incorrectly declare to be deriving from a law enforcement institution and also will report having located youngster pornography or various other illegal data on the gadget. The alert will likewise have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 25659C31
md5: edf0effb206652c1bf709b3427c1ac8c
name: EDF0EFFB206652C1BF709B3427C1AC8C.mlw
sha1: aa810e98d7434892eb6ea4036c78faf862f7b5a7
sha256: 79dec62f6b66eef1ff6e022a0a4decdde4bd72c26ee67e572878da65b9a90550
sha512: 294343e5b081f8d9e05642f2c9f77aa10b21183c86a12a05089e8e4570c10d0306a15ccbdd3755d5bedc058aba25533ed4c7bd2f68f119fc4a5c4fdab077e144
ssdeep: 6144:UK9qhLHhWu/nHx8+Z0U1B8UOWBWzv/tcc5x3ZiCvlg:UbHhWu/HGi938UUjx3ZiKl
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Ransom.Amnesia also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.26375
MicroWorld-eScan DeepScan:Generic.Ransom.Amnesia.5AB71F36
FireEye Generic.mg.edf0effb206652c1
McAfee GenericRXDM-JB!EDF0EFFB2066
Malwarebytes Ransom.Amnesia
VIPRE FraudTool.Win32.SecurityShield.ek!c (v)
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 004f700b1 )
BitDefender DeepScan:Generic.Ransom.Amnesia.5AB71F36
K7GW Trojan ( 004f700b1 )
Cybereason malicious.b20665
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Scarab-6336012-1
Kaspersky HEUR:Trojan-Ransom.Win32.Generic
Alibaba Ransom:Win32/Higuniel.a3f7864b
NANO-Antivirus Trojan.Win32.Filecoder.fgxqox
Rising Ransom.Generic!8.E315 (CLOUD)
Ad-Aware DeepScan:Generic.Ransom.Amnesia.5AB71F36
Emsisoft DeepScan:Generic.Ransom.Amnesia.5AB71F36 (B)
Comodo TrojWare.Win32.TrojanDownloader.Delf.gen@1xqow5
F-Secure Trojan.TR/Downloader.Gen
TrendMicro Mal_Purge
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Sophos ML/PE-A
Ikarus Trojan-Ransom.FileCrypter
eGambit Unsafe.AI_Score_99%
Avira TR/Downloader.Gen
MAX malware (ai score=100)
Microsoft Ransom:Win32/Amnesia.DSA!MTB
Arcabit DeepScan:Generic.Ransom.Amnesia.5AB71F36
AhnLab-V3 Trojan/Win32.Dynamer.C2640962
ZoneAlarm HEUR:Trojan-Ransom.Win32.Generic
GData DeepScan:Generic.Ransom.Amnesia.5AB71F36
Cynet Malicious (score: 100)
ESET-NOD32 a variant of Win32/Filecoder.FS
Acronis suspicious
VBA32 BScope.Trojan.Encoder
ALYac Trojan.Ransom.Scarab
Cylance Unsafe
Panda Trj/GdSda.A
TrendMicro-HouseCall Mal_Purge
Tencent Win32.Trojan.Filecoder.Apwi
Yandex Trojan.GenAsa!WHz4WMojnlY
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Msht.GJ!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Ransom.Amnesia.HwUB6zsA

How to remove Ransom.Amnesia 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.Amnesia 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 Ransom.Amnesia 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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