Ransom:Win32/Amnesia.DSA!MTB

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

What is Ransom:Win32/Amnesia.DSA!MTB infection?

In this post you will discover concerning the definition of Ransom:Win32/Amnesia.DSA!MTB and also its adverse effect on your computer system. Such ransomware are a kind of malware that is specified by online fraudulences to demand paying the ransom money by a sufferer.

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In the majority of the situations, Ransom:Win32/Amnesia.DSA!MTB virus will advise its victims to launch funds transfer for the purpose of neutralizing the changes that the Trojan infection has actually presented to the victim’s gadget.

Ransom:Win32/Amnesia.DSA!MTB Summary

These modifications can be as complies with:

  • Attempts to connect to a dead IP:Port (1 unique times);
  • Possible date expiration check, exits too soon after checking local time;
  • 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.;
  • 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;
  • 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.
  • Detects Joe or Anubis Sandboxes through the presence of a file;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Clears Windows events or logs;
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents situated on the sufferer’s hard disk drive — so the victim can no more make use of the data;
  • Preventing normal access to the sufferer’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
iplogger.comDeepScan:Generic.Ransom.Amnesia.C0E313F2

Ransom:Win32/Amnesia.DSA!MTB

One of the most typical networks whereby Ransom:Win32/Amnesia.DSA!MTB Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of customer ending up on a source that holds a malicious software application;

As soon as the Trojan is successfully injected, it will either cipher the information on the sufferer’s PC or prevent the tool from working in a proper fashion – while likewise putting a ransom money note that points out the demand for the targets to impact the settlement for the purpose of decrypting the documents or bring back the file system back to the initial problem. In the majority of instances, the ransom money note will certainly come up when the customer restarts the PC after the system has currently been damaged.

Ransom:Win32/Amnesia.DSA!MTB distribution channels.

In various edges of the globe, Ransom:Win32/Amnesia.DSA!MTB expands by leaps and bounds. Nonetheless, the ransom money notes and also tricks of extorting the ransom money quantity may vary depending upon specific neighborhood (local) setups. The ransom notes and methods of extorting the ransom quantity might differ depending on specific neighborhood (local) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software application.

    In particular areas, the Trojans usually wrongfully report having identified some unlicensed applications allowed on the sufferer’s device. The alert then demands the customer to pay the ransom money.

    Faulty statements about illegal web content.

    In nations where software piracy is less popular, this approach is not as effective for the cyber fraudulences. Alternatively, the Ransom:Win32/Amnesia.DSA!MTB popup alert might wrongly assert to be stemming from a police institution as well as will report having located youngster porn or other unlawful data on the tool.

    Ransom:Win32/Amnesia.DSA!MTB popup alert might wrongly assert to be obtaining from a regulation enforcement institution and also will certainly report having located kid pornography or various other unlawful data on the device. The alert will similarly include a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 0A81EC87
md5: 5026b3e298dcd6eb5ade0649df8584ce
name: 5026B3E298DCD6EB5ADE0649DF8584CE.mlw
sha1: 4f74f62f192ccf5b2e329637e53c967b321784c2
sha256: 7788b241dfd026457ce5e38f127c9128a55325fe8dbf757c5b44beaac444b4d2
sha512: 9ee7cc8855bf4e889a3e1bd25ac92cd99657cd4dfdd3f9c90652e6eb141b27cf6e584e080acc9b2cca004861279019436c40aa1649277e5913fb39ea2751ff0a
ssdeep: 3072:t+qgfY5FvSApu7+dFYFWTLE2Rpo4YGBZwDpuwqc3Aqr7PGoFrN2GPoCPzXfe:t+qzPHC7WvjC6r0puZsAg+oZN2GgyX2
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Amnesia.DSA!MTB also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.26375
MicroWorld-eScanDeepScan:Generic.Ransom.Amnesia.C0E313F2
FireEyeGeneric.mg.5026b3e298dcd6eb
Qihoo-360Win32/Ransom.Amnesia.HwUBtdsA
McAfeeGenericRXDM-JB!5026B3E298DC
CylanceUnsafe
VIPREFraudTool.Win32.SecurityShield.ek!c (v)
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 004f700b1 )
BitDefenderDeepScan:Generic.Ransom.Amnesia.C0E313F2
K7GWTrojan ( 004f700b1 )
Cybereasonmalicious.298dcd
SymantecML.Attribute.HighConfidence
TrendMicro-HouseCallMal_Purge
AvastWin32:Malware-gen
ClamAVWin.Ransomware.Scarab-6336012-1
KasperskyHEUR:Trojan-Ransom.Win32.Generic
AlibabaTrojan:Win32/Filecoder.fcbee157
NANO-AntivirusTrojan.Win32.Filecoder.ffltwr
RisingRansom.Generic!8.E315 (CLOUD)
Ad-AwareDeepScan:Generic.Ransom.Amnesia.C0E313F2
EmsisoftDeepScan:Generic.Ransom.Amnesia.C0E313F2 (B)
ComodoTrojWare.Win32.TrojanDownloader.Delf.gen@1xqow5
F-SecureTrojan.TR/Downloader.Gen
TrendMicroMal_Purge
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
SentinelOneStatic AI – Malicious PE
SophosMal/Generic-S
IkarusTrojan-Ransom.FileCrypter
JiangminTrojan.Generic.ckhkn
AviraTR/Downloader.Gen
MicrosoftRansom:Win32/Amnesia.DSA!MTB
ArcabitDeepScan:Generic.Ransom.Amnesia.C0E313F2
ZoneAlarmHEUR:Trojan-Ransom.Win32.Generic
GDataDeepScan:Generic.Ransom.Amnesia.C0E313F2
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Dynamer.C2640962
Acronissuspicious
ALYacTrojan.Ransom.Scarab
MAXmalware (ai score=100)
VBA32BScope.Trojan.Encoder
MalwarebytesRansom.Amnesia
PandaTrj/GdSda.A
APEXMalicious
ESET-NOD32Win32/Filecoder.FS
TencentWin32.Trojan.Raas.Auto
YandexTrojan.GenAsa!WHz4WMojnlY
eGambitUnsafe.AI_Score_99%
FortinetW32/Msht.GJ!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
MaxSecureTrojan.Malware.300983.susgen

How to remove Ransom:Win32/Amnesia.DSA!MTB virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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:Win32/Amnesia.DSA!MTB 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:Win32/Amnesia.DSA!MTB 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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