What is Trojan-Ransom.Win32.Cryptodef.xsa infection?

In this post you will certainly discover regarding the meaning of Trojan-Ransom.Win32.Cryptodef.xsa and also its unfavorable influence on your computer system. Such ransomware are a form of malware that is clarified by on the internet frauds to require paying the ransom by a target.

In the majority of the situations, Trojan-Ransom.Win32.Cryptodef.xsa infection will advise its targets to launch funds transfer for the purpose of counteracting the changes that the Trojan infection has introduced to the victim’s device.

Trojan-Ransom.Win32.Cryptodef.xsa Summary

These alterations 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 (inter-process);
• Injection (Process Hollowing);
• 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.
• Mimics the system’s user agent string for its own requests;
• HTTP traffic contains suspicious features which may be indicative of malware related traffic;
• Performs some HTTP requests;
• The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Looks up the external IP address;
• Uses Windows utilities for basic functionality;
• Executed a process and injected code into it, probably while unpacking;
• Deletes its original binary from disk;
• 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
• 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.
• Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
• Creates a copy of itself;
• Attempts to disable System Restore. System Restore function – allows you to revert the computer’s state (system files, applications, and system settings) to that of a previous point in time, which can be used to recover after a virus attack.
• Uses suspicious command line tools or Windows utilities;
• Ciphering the files situated on the victim’s disk drive — so the sufferer can no more use the information;
• Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

• • Trojan-Spy.Win32.Stealer.dgm
  • Win32/Kryptik.GAKY
  • Trojan:Win32/Tiggre!rfn

ip-addr.es	Ransom.Win32.Cryptodef.8
myexternalip.com	Ransom.Win32.Cryptodef.8
curlmyip.com	Ransom.Win32.Cryptodef.8
conopizzachile.com	Ransom.Win32.Cryptodef.8
bryanfross.com	Ransom.Win32.Cryptodef.8
aplikacii.com	Ransom.Win32.Cryptodef.8
gayphonesexboys.com	Ransom.Win32.Cryptodef.8
misssupranationalthailand.com	Ransom.Win32.Cryptodef.8
ferijalnirs.com	Ransom.Win32.Cryptodef.8
chadwondermagic.com	Ransom.Win32.Cryptodef.8
eduvantage.com	Ransom.Win32.Cryptodef.8
kwiatpaproci.mazury.pl	Ransom.Win32.Cryptodef.8
charlescrosson.com	Ransom.Win32.Cryptodef.8
grizzlysts.com	Ransom.Win32.Cryptodef.8
kesbuk.cz	Ransom.Win32.Cryptodef.8
fashionpeople.com.br	Ransom.Win32.Cryptodef.8
cafejapan.com	Ransom.Win32.Cryptodef.8
motored.pl	Ransom.Win32.Cryptodef.8
paperplane.co.id	Ransom.Win32.Cryptodef.8
biz-brokerage.com	Ransom.Win32.Cryptodef.8
infrontofmycamera.com	Ransom.Win32.Cryptodef.8
oscotec.com	Ransom.Win32.Cryptodef.8
comoaprenderamaquillarse.com	Ransom.Win32.Cryptodef.8
couponsonakeychain.com	Ransom.Win32.Cryptodef.8
miiart-jewelry.com	Ransom.Win32.Cryptodef.8
charityfross.com	Ransom.Win32.Cryptodef.8
glamazona.com	Ransom.Win32.Cryptodef.8
clever-x.com	Ransom.Win32.Cryptodef.8
shipedtoyou.com	Ransom.Win32.Cryptodef.8
communityneuroclinic.com	Ransom.Win32.Cryptodef.8
grpgroup.co.il	Ransom.Win32.Cryptodef.8
homestyle1974.com	Ransom.Win32.Cryptodef.8
elanahmias.com	Ransom.Win32.Cryptodef.8
connectao.com	Ransom.Win32.Cryptodef.8
idea-lab.kz	Ransom.Win32.Cryptodef.8

Trojan-Ransom.Win32.Cryptodef.xsa

The most common channels through which Trojan-Ransom.Win32.Cryptodef.xsa Trojans are infused are:

• By methods of phishing emails;
• As a repercussion of individual ending up on a resource that organizes a harmful software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the victim’s PC or avoid the gadget from working in a correct fashion – while likewise positioning a ransom money note that states the requirement for the sufferers to impact the payment for the objective of decrypting the papers or recovering the data system back to the first condition. In the majority of instances, the ransom note will certainly show up when the customer reboots the PC after the system has actually currently been damaged.

Trojan-Ransom.Win32.Cryptodef.xsa circulation channels.

In different edges of the world, Trojan-Ransom.Win32.Cryptodef.xsa expands by leaps and also bounds. Nevertheless, the ransom notes and also techniques of obtaining the ransom quantity may vary depending upon particular regional (local) setups. The ransom notes and techniques of obtaining the ransom quantity may vary depending on specific regional (local) settings.

For instance:

Faulty signals about unlicensed software program.

In specific areas, the Trojans usually wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s tool. The sharp then demands the customer to pay the ransom.

Faulty statements about illegal web content.

In nations where software program piracy is less preferred, this approach is not as effective for the cyber scams. Conversely, the Trojan-Ransom.Win32.Cryptodef.xsa popup alert might falsely assert to be deriving from a law enforcement institution and also will certainly report having situated kid pornography or other unlawful data on the gadget.

Trojan-Ransom.Win32.Cryptodef.xsa popup alert may falsely assert to be acquiring from a regulation enforcement organization and will certainly report having situated kid porn or other unlawful information on the gadget. The alert will in a similar way contain a need for the customer to pay the ransom.

Technical details

File Info:
crc32: 8399B698md5: 8a4502b284da4d60f2043e47a23ba12fname: 8A4502B284DA4D60F2043E47A23BA12F.mlwsha1: f51e0732186c1b7876b853a924486049b27fe77csha256: 9a1392f0556da10c1ca4da80967eea952d70dd71e56b7579fa668eefae98eb5csha512: 4d8c575dff191edc77044f49c5c3450ec585d05eaa582df8332abc9b65949caaaeff6460a2943c5484e278cd02b6e630f288d0847925f4b8d2b93ba3494c1723ssdeep: 3072:wl5tTIscxvrj0R4Cbe69FB5xOovkzXhonQ:EIzvrj0RjfvTCzWntype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
LegalCopyright: 2012 Poster Software. All Rights Reserved.InternalName: PakistanFileVersion: 16.8.11.15879CompanyName: Poster SoftwareProductName: Poster PakistanProductVersion: 16.8FileDescription: Poster PakistanOriginalFilename: PAKISTAN.EXETranslation: 0x0409 0x04b0

Trojan-Ransom.Win32.Cryptodef.xsa also known as:

GridinSoft	Trojan.Ransom.Gen
Bkav	W32.AIDetect.malware1
Elastic	malicious (high confidence)
DrWeb	Trojan.Encoder.514
Cynet	Malicious (score: 100)
Cylance	Unsafe
Zillya	Trojan.Cryptodef.Win32.1025
Sangfor	Ransom.Win32.Cryptodef.8
CrowdStrike	win/malicious_confidence_60% (D)
K7GW	Trojan ( 0055e3ef1 )
K7AntiVirus	Trojan ( 0055e3ef1 )
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	Win32/Filecoder.CryptoWall.D
APEX	Malicious
Avast	Win32:Malware-gen
Kaspersky	Trojan-Ransom.Win32.Cryptodef.xsa
NANO-Antivirus	Trojan.Win32.Cryptodef.dvfjia
Tencent	Win32.Trojan.Cryptodef.Eawz
Sophos	Mal/Generic-S
Comodo	Malware@#2jvfydy8hzl5x
BitDefenderTheta	Gen:NN.ZexaE.34688.iq0@a0qbe6gi
VIPRE	Trojan.Win32.Generic!BT
TrendMicro	TROJ_CRYPWALL.CPH1597
McAfee-GW-Edition	Ransom-CWall.a
FireEye	Generic.mg.8a4502b284da4d60
SentinelOne	Static AI – Malicious PE
Jiangmin	Trojan.Cryptodef.abv
Webroot	Trojan.Dropper.Gen
Avira	HEUR/AGEN.1110797
Kingsoft	Win32.Troj.Undef.(kcloud)
Microsoft	Ransom:Win32/Crowti
AegisLab	Trojan.Win32.Cryptodef.j!c
McAfee	Ransom-CWall.a
MAX	malware (ai score=99)
VBA32	Hoax.Cryptodef
Malwarebytes	MachineLearning/Anomalous.100%
Panda	Trj/CI.A
TrendMicro-HouseCall	TROJ_CRYPWALL.CPH1597
Rising	Ransom.Cryptodef!8.672 (CLOUD)
Yandex	Trojan.Cryptodef!WEVdq8SjWZU
Ikarus	Trojan.Win32.Filecoder
AVG	Win32:Malware-gen
Paloalto	generic.ml

How to remove Trojan-Ransom.Win32.Cryptodef.xsa virus?

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">².

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Download GridinSoft Anti-Malware

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.

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.

Press “Install” button.

Once installed, Anti-Malware will automatically run.

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan-Ransom.Win32.Cryptodef.xsa 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.

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.

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 Anti-Malware

If the guide doesn’t help you to remove Trojan-Ransom.Win32.Cryptodef.xsa you can always ask me in the comments for getting help.

References

1. GridinSoft Anti-Malware Review from HowToFix site:
2. More information about GridinSoft products: