Ransom:Win32/Appokrypt.A

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

What is Ransom:Win32/Appokrypt.A infection?

In this post you will certainly discover regarding the definition of Ransom:Win32/Appokrypt.A as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is specified by online scams to demand paying the ransom money by a victim.

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In the majority of the situations, Ransom:Win32/Appokrypt.A virus will certainly advise its sufferers to start funds move for the objective of reducing the effects of the changes that the Trojan infection has introduced to the victim’s gadget.

Ransom:Win32/Appokrypt.A Summary

These modifications can be as follows:

  • 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.
  • Deletes its original binary from disk;
  • 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;
  • 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.
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the victim’s hard drive — so the target can no longer utilize the data;
  • Preventing routine access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Ransom:Win32/Appokrypt.A

One of the most common networks through which Ransom:Win32/Appokrypt.A Trojans are injected are:

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

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the sufferer’s PC or stop the device from working in a proper way – while additionally positioning a ransom money note that states the demand for the targets to effect the payment for the purpose of decrypting the files or recovering the file system back to the preliminary condition. In the majority of circumstances, the ransom note will show up when the customer restarts the COMPUTER after the system has actually already been damaged.

Ransom:Win32/Appokrypt.A circulation channels.

In numerous corners of the globe, Ransom:Win32/Appokrypt.A grows by jumps as well as bounds. However, the ransom notes as well as tricks of obtaining the ransom money amount may differ depending on certain local (regional) setups. The ransom notes and tricks of obtaining the ransom quantity may vary depending on specific regional (regional) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In specific locations, the Trojans often wrongfully report having actually found some unlicensed applications made it possible for on the sufferer’s device. The alert after that requires the customer to pay the ransom.

    Faulty declarations regarding illegal material.

    In countries where software program piracy is less preferred, this technique is not as effective for the cyber fraudulences. Alternatively, the Ransom:Win32/Appokrypt.A popup alert might incorrectly declare to be stemming from a law enforcement organization as well as will certainly report having located child porn or various other illegal information on the device.

    Ransom:Win32/Appokrypt.A popup alert may incorrectly assert to be deriving from a legislation enforcement institution and will certainly report having located youngster pornography or other illegal data on the gadget. The alert will in a similar way contain a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 7142BAC4
md5: ac70f2517698ca81bf161645413f168c
name: AC70F2517698CA81BF161645413F168C.mlw
sha1: 70a255c076bd108b0654ae58b6f805efd2ad9613
sha256: aab148f9445f8ea69a6992a245037919b96c7b6457d35732f4171e371359aee5
sha512: f82255c54cdf61f6af6969594c27abddb02411e1d2562bf86d11291f9f67fc3cdd598c9f90d2dec316947be0a054eb115386e978e467630594f02a77f878c280
ssdeep: 192:yQ020bHQ2xQhYodyEeWtjaEWP4xqLtSJQTLXcEr:DiwNmodyEeWfy4xqpSJQTLXck
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Appokrypt.A also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.4925
MicroWorld-eScanGen:Variant.Barys.125177
ALYacGen:Variant.Barys.125177
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (W)
AlibabaRansom:Win32/Appokrypt.b80885cc
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.17698c
SymantecRansom.Apocalypse
ESET-NOD32a variant of Win32/Filecoder.NHF
APEXMalicious
AvastWin32:Malware-gen
CynetMalicious (score: 100)
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Barys.125177
NANO-AntivirusTrojan.Win32.Encoder.fhiolr
SUPERAntiSpywareRansom.Filecoder/Variant
Ad-AwareGen:Variant.Barys.125177
SophosMal/EncPk-ACO
BitDefenderThetaAI:Packer.D65BDBE21E
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_APOCALYPSE.B
McAfee-GW-EditionGenericRXAH-KQ!AC70F2517698
FireEyeGeneric.mg.ac70f2517698ca81
EmsisoftGen:Variant.Barys.125177 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Generic.acxjr
WebrootW32.Trojan.Gen
AviraTR/Crypt.XPACK.Gen2
eGambitUnsafe.AI_Score_82%
Antiy-AVLTrojan/Generic.ASMalwS.195D3BD
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftRansom:Win32/Appokrypt.A
ArcabitTrojan.Barys.D1E8F9
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Variant.Barys.125177
AhnLab-V3Malware/Win32.Ransom_.C2010439
McAfeeGenericRXAH-KQ!AC70F2517698
MAXmalware (ai score=100)
VBA32BScope.Trojan.Encoder
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom_APOCALYPSE.B
YandexTrojan.GenAsa!gJFqRcfBhoM
IkarusTrojan.Win32.Filecoder
FortinetW32/Generic.AP.CAAA8!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Ransom:Win32/Appokrypt.A ransomware?

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/Appokrypt.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 Ransom:Win32/Appokrypt.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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