Win32/Injector.BYVA

What is Win32/Injector.BYVA infection?

In this article you will certainly locate regarding the definition of Win32/Injector.BYVA as well as its unfavorable effect on your computer system. Such ransomware are a kind of malware that is elaborated by online frauds to demand paying the ransom money by a sufferer.

Most of the cases, Win32/Injector.BYVA virus will instruct its sufferers to launch funds move for the purpose of counteracting the changes that the Trojan infection has presented to the victim’s gadget.

Win32/Injector.BYVA Summary

These adjustments can be as follows:

Injection (inter-process);
Injection (Process Hollowing);
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;
Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.
Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.
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.
The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
Uses Windows utilities for basic functionality;
Executed a process and injected code into it, probably while unpacking;
Attempts to remove evidence of file being downloaded from the Internet;
Attempts to delete volume shadow copies;
Network activity contains more than one unique useragent.;
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 copy of itself;
Creates a known TeslaCrypt/AlphaCrypt ransomware decryption instruction / key file.;
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 victim’s hard disk — so the target can no more make use of the data;
Preventing normal access 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.

The most regular channels through which Win32/Injector.BYVA Trojans are injected are:

By means of phishing emails;
As a consequence of user ending up on a resource 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 prevent the tool from operating in an appropriate way – while also positioning a ransom note that points out the demand for the sufferers to impact the repayment for the purpose of decrypting the files or bring back the documents system back to the preliminary condition. In many circumstances, the ransom note will show up when the client restarts the COMPUTER after the system has actually currently been harmed.

Win32/Injector.BYVA circulation channels.

In various edges of the globe, Win32/Injector.BYVA expands by leaps and bounds. Nonetheless, the ransom money notes as well as techniques of obtaining the ransom money amount may differ relying on particular regional (local) setups. The ransom money notes as well as tricks of extorting the ransom money quantity may vary depending on certain local (regional) settings.

For instance:

Faulty notifies concerning unlicensed software program.

In specific locations, the Trojans often wrongfully report having identified some unlicensed applications allowed on the sufferer’s gadget. The sharp then requires the user to pay the ransom.

Faulty statements concerning prohibited content.

In nations where software piracy is much less preferred, this approach is not as efficient for the cyber scams. Additionally, the Win32/Injector.BYVA popup alert might incorrectly assert to be originating from a police organization as well as will certainly report having located youngster pornography or other unlawful information on the gadget.

Win32/Injector.BYVA popup alert might falsely claim to be acquiring from a law enforcement organization as well as will report having situated youngster porn or other illegal data on the tool. The alert will in a similar way contain a need for the user to pay the ransom.

Technical details

File Info:
crc32: B23C44A6md5: 198b5bfb79ffd4cc022a0d5832a5a72ename: 198B5BFB79FFD4CC022A0D5832A5A72E.mlwsha1: 9493b24ad8ab6e3e045566dc78a018ebd0f6ca39sha256: adf782e86608c56d1305fe885a1dd7274e6fc99dd6b9587ac33b913916e254adsha512: de9a0647ee4b3785c303f5fbf031923fa5deb9e719e52e176644d88271a0b000f894136f6295d89ccf1d866c355a6c1de5aadd0713abb7dfa50d5b523010ac50ssdeep: 12288:+i/o/BzPQ6JrpDkK3ABa1S1Y1zxmLA1KuxRf:9o/BFJpAKmLA/Rftype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]

Win32/Injector.BYVA also known as:

GridinSoft	Trojan.Ransom.Gen
K7AntiVirus	Trojan ( 004be29a1 )
Elastic	malicious (high confidence)
DrWeb	Trojan.AVKill.36755
Cynet	Malicious (score: 100)
CAT-QuickHeal	Ransom.Bitman.13865
ALYac	Gen:Variant.Symmi.68808
Cylance	Unsafe
Zillya	Trojan.Bitman.Win32.179
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_100% (W)
Alibaba	Ransom:Win32/Tescrypt.954e3975
K7GW	Trojan ( 004be29a1 )
Cybereason	malicious.b79ffd
Cyren	W32/Trojan.YCVQ-3233
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of Win32/Injector.BYVA
Zoner	Trojan.Win32.34403
APEX	Malicious
Avast	Win32:GenMalicious-JXB [Trj]
ClamAV	Win.Trojan.TeslaCrypt-2
Kaspersky	HEUR:Trojan.Win32.Generic
BitDefender	Gen:Variant.Symmi.68808
NANO-Antivirus	Trojan.Win32.Snocry.dqxfqo
ViRobot	Trojan.Win32.Ransom.491520
SUPERAntiSpyware
MicroWorld-eScan	Gen:Variant.Symmi.68808
Tencent	Malware.Win32.Gencirc.10c821c1
Ad-Aware	Gen:Variant.Symmi.68808
Sophos	Mal/Generic-R + Troj/Ransom-ATN
BitDefenderTheta	Gen:NN.ZexaF.34628.EmW@auWCpVgi
VIPRE	Trojan.Win32.Generic!BT
TrendMicro	TROJ_CRYPTESLA.SM
McAfee-GW-Edition	BehavesLike.Win32.Emotet.gh
FireEye	Generic.mg.198b5bfb79ffd4cc
Emsisoft	Gen:Variant.Symmi.68808 (B)
SentinelOne	Static AI – Suspicious PE
Jiangmin	Trojan/Snocry.aa
Webroot	Trojan.Dropper.Gen
Avira	HEUR/AGEN.1116234
eGambit	Unsafe.AI_Score_95%
Microsoft	Ransom:Win32/Tescrypt.A
Arcabit	Trojan.Symmi.D10CC8
GData	Gen:Variant.Symmi.68808
TACHYON	Trojan/W32.Ransom.491520
AhnLab-V3	Trojan/Win32.Snocry.R142966
Acronis	suspicious
McAfee	Ransom-Tescrypt!198B5BFB79FF
MAX	malware (ai score=100)
VBA32	BScope.TrojanRansom.Tescrypt
Malwarebytes	Malware.Heuristic.1004
Panda	Trj/Genetic.gen
TrendMicro-HouseCall	TROJ_CRYPTESLA.SM
Rising	Ransom.Tescrypt!8.3AF (CLOUD)
Yandex	Trojan.GenAsa!i88Sn/cJkvo
Ikarus	Trojan.Win32.Filecoder
Fortinet	W32/Injector.BZED!tr
AVG	Win32:GenMalicious-JXB [Trj]
Paloalto	generic.ml
Qihoo-360	Win32/Ransom.Tescrypt.HgAASRAA

How to remove Win32/Injector.BYVA ransomware?

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 Win32/Injector.BYVA 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 Win32/Injector.BYVA you can always ask me in the comments for getting help.