Ransom.Jamper.zep

Written by Robert Bailey

What is Ransom.Jamper.zep infection?

In this short article you will certainly find about the meaning of Ransom.Jamper.zep as well as its adverse effect on your computer. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom money by a target.

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In the majority of the instances, Ransom.Jamper.zep infection will certainly advise its sufferers to launch funds transfer for the function of reducing the effects of the amendments that the Trojan infection has presented to the victim’s tool.

Ransom.Jamper.zep Summary

These modifications can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Injection with CreateRemoteThread in a remote process;
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • Attempts to connect to a dead IP:Port (5 unique times);
  • 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.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Code injection with CreateRemoteThread in a remote process;
  • Deletes its original binary from disk;
  • Attempts to delete volume shadow copies;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Modifies boot configuration settings;
  • A system process is generating network traffic likely as a result of process injection;
  • 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;
  • Likely virus infection of existing system binary;
  • Clears Windows events or logs;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents found on the sufferer’s hard drive — so the target can no more use the data;
  • Preventing regular 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
geoiptool.comWin32/Trojan.Ransom.45e
www.geodatatool.comWin32/Trojan.Ransom.45e
ocsp.usertrust.comWin32/Trojan.Ransom.45e
crl.usertrust.comWin32/Trojan.Ransom.45e
iplogger.orgWin32/Trojan.Ransom.45e
apps.identrust.comWin32/Trojan.Ransom.45e
isrg.trustid.ocsp.identrust.comWin32/Trojan.Ransom.45e
ocsp.int-x3.letsencrypt.orgWin32/Trojan.Ransom.45e

Ransom.Jamper.zep

The most regular channels whereby Ransom.Jamper.zep Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of individual winding up on a source that hosts a destructive software;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s PC or stop the tool from functioning in a correct manner – while likewise putting a ransom note that mentions the need for the sufferers to impact the payment for the objective of decrypting the records or restoring the documents system back to the preliminary problem. In the majority of instances, the ransom money note will show up when the customer restarts the COMPUTER after the system has currently been harmed.

Ransom.Jamper.zep distribution channels.

In various edges of the world, Ransom.Jamper.zep expands by jumps as well as bounds. However, the ransom notes as well as techniques of extorting the ransom amount may vary depending upon certain regional (local) settings. The ransom notes as well as tricks of extorting the ransom money amount may vary depending on particular local (regional) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software.

    In certain areas, the Trojans often wrongfully report having spotted some unlicensed applications made it possible for on the victim’s device. The alert after that demands the user to pay the ransom money.

    Faulty declarations about prohibited material.

    In countries where software program piracy is less prominent, this method is not as reliable for the cyber scams. Conversely, the Ransom.Jamper.zep popup alert might incorrectly declare to be originating from a law enforcement institution as well as will certainly report having located youngster pornography or other prohibited information on the tool.

    Ransom.Jamper.zep popup alert might wrongly declare to be obtaining from a regulation enforcement organization as well as will certainly report having located child pornography or other prohibited data on the device. The alert will similarly have a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: B39E85B0
md5: 8598439b822a54f43d4ad7281fe82164
name: 927952793.exe
sha1: e174d318642462ab8337af9b453c8e9cd6e38cb9
sha256: 33395a92e2e21a59a52b0364505f3cba6b97f2b885a9d2dd71a30d07980e5460
sha512: 67fd60abb3113e4bb58cd775659783f955600b26cc0ff38bf4299c8cd028e7e1c1831492ee0a7930038624c00a1e25bb47a8bd17893b59b319169ead9a8181db
ssdeep: 6144:u0R3prgis7FahUEW1WFldZlXUuQYGQlFq++hSRplvI:Z1s7ghGUFld/nKdhSRpl
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom.Jamper.zep also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware
MicroWorld-eScanTrojan.GenericKD.43103488
FireEyeGeneric.mg.8598439b822a54f4
Qihoo-360Win32/Trojan.Ransom.45e
McAfeeRDN/Generic.grp
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
CrowdStrikewin/malicious_confidence_100% (W)
BitDefenderTrojan.GenericKD.43103488
K7GWTrojan ( 005662e31 )
K7AntiVirusTrojan ( 005662e31 )
TrendMicroTROJ_GEN.R011C0PE720
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:Trojan-gen
GDataTrojan.GenericKD.43103488
KasperskyTrojan-Ransom.Win32.Vega.y
AlibabaRansom:Win32/Kryptik.09f3ef4c
ViRobotTrojan.Win32.Z.Agent.1048576.ADA
AegisLabTrojan.Multi.Generic.4!c
RisingRansom.Vega!8.109AB (CLOUD)
Endgamemalicious (high confidence)
SophosMal/Generic-S
F-SecureTrojan.TR/Crypt.ZPACK.Gen2
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Sivis.tz
Trapminesuspicious.low.ml.score
EmsisoftTrojan.GenericKD.43103488 (B)
IkarusTrojan.Win32.Krypt
CyrenW32/Trojan.TFBF-1704
WebrootW32.Trojan.Gen
AviraTR/Crypt.ZPACK.Gen2
ArcabitTrojan.Generic.D291B500
ZoneAlarmTrojan-Ransom.Win32.Vega.y
MicrosoftTrojan:Win32/Occamy.C
VBA32BScope.TrojanPSW.Papras
ALYacTrojan.GenericKD.43103488
MAXmalware (ai score=100)
Ad-AwareTrojan.GenericKD.43103488
MalwarebytesRansom.Jamper.zep
PandaTrj/CI.A
ESET-NOD32a variant of Win32/Kryptik.HDCY
TrendMicro-HouseCallTROJ_GEN.R011C0PE720
TencentWin32.Trojan.Vega.Eaxc
SentinelOneDFI – Malicious PE
FortinetW32/Kryptik.HDCY!tr
BitDefenderThetaGen:NN.ZexaF.34108.aDZ@aGxmF4ai
AVGWin32:Trojan-gen
Cybereasonmalicious.864246
Paloaltogeneric.ml
MaxSecureVirus.Patched.OF

How to remove Ransom.Jamper.zep 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.

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.Jamper.zep 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.Jamper.zep 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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