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Useful tutorials on various PC troubleshooting topics. Video tutorials.

How to remove Wzoq Ransomware and decrypt .wzoq files

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Wzoq Ransomware is a file-encrypting malware that belongs to the notorious STOP/DJVU ransomware family. Its primary purpose is to restrict access to data, such as documents, images, and videos, by encrypting files. Once the Wzoq ransomware infects a system, it encrypts files and appends the .wzoq extension to each encrypted file, making them unusable without the decryption key. For example, a file initially named 1.jpg would become 1.jpg.wzoq after falling prey to this malicious software. The ransomware then attempts to extort money from victims by demanding a ransom in exchange for a decryption key that can allegedly restore access to the encrypted files. After encrypting the files, Wzoq ransomware drops a ransom note named _readme.txt on the desktop.

How to remove Wztt Ransomware and decrypt .wztt files

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Wztt Ransomware is a malicious software that encrypts various files on a victim's computer and adds the .wztt extension to their filenames, making them inaccessible. For example, it renames 1.jpg to 1.jpg.wztt and 2.png to 2.png.wztt. It is a variant of the STOP/DJVU malware group, which exploits vulnerabilities in a user's computer system and demands a ransom in exchange for the recovery and decryption of the encrypted files. The ransomware generates a ransom note, typically placed on the victim's desktop, named _readme.txt that provides a pair of email addresses (support@freshmail.top and datarestorehelp@airmail.cc) for the victims to contact within a 72-hour timeframe to avoid the ransom fee increasing to $980. Wztt Ransomware employs a strong encryption algorithm and a key (either an 'offline key' or an 'online key') to encrypt the files. It attempts to encrypt as many files as possible, encrypting only the first 154kb of the contents of each file to speed up the encryption process.

How to remove FreeWorld Ransomware and decrypt .FreeWorldEncryption files

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FreeWorld is a type of ransomware, specifically categorized as a crypto virus or files locker. Ransomware is a malicious software that encrypts files on a victim's computer and demands payment for decryption. It is designed to infect the Windows operating system and encrypt files using advanced military-grade technologies. FreeWorld Ransomware uses a hybrid encryption scheme, with a combination of AES and RSA encryption to secure their malware against the researchers getting encrypted files back. When the FreeWorld ransomware infects a system, it encrypts the victim's files and appends a .FreeWorldEncryption extension to their filenames. After encryption, it creates a ransom note named FreeWorld-Contact.txt. The ransom note explains that the victim's data has been encrypted and provides instructions for contacting the attackers to initiate the data recovery process.

How to remove Wzqw Ransomware and decrypt .wzqw files

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Wzqw Ransomware is a type of malware that belongs to the Djvu family. It encrypts various files on a victim's computer and adds the .wzqw extension to their initial filenames. The encryption is done using the AES-256 algorithm (CFB mode) encryption algorithm. Once the encryption is successful, the users are unable to access their files without the decryption key. The ransom note, located within the _readme.txt file, underscores that the process of decrypting files solely relies on specialized decryption software and an exclusive key. The ransom note also demands a ransom payment in Bitcoin from the victims, which ranges from $490 to $980, depending on the time passed after the attack. The note instructs the victim to make payment for decryption using Bitcoins, with the ransom amount contingent on the speed of response. Once payment is made, the decryption tool will be provided to unlock the encrypted files. As a guarantee, the note suggests that the victim can send up to 5 files for free decryption. The total size of these files should not exceed 4 MB, and they should not contain valuable data such as databases, backups, or large Excel sheets.

How to remove Jaoy Ransomware and decrypt .jaoy files

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Jaoy is a new version of notorious STOP/Djvu Ransomware, that is known to be the most widespread ransomware in history. Jaoy Ransomware encrypts files using a strong AES-256 encryption key algorithm. This encryption method is widely used and considered to be very secure. It is unlikely that victims will be able to decrypt their files without the decryption key provided by the attackers. Virus adds the .jaoy extension to the end of all encrypted file names. For example, a file named document.docx would become document.docx.jaoy after being encrypted by the ransomware. The ransom note created by Jaoy Ransomware is named _readme.txt and is left in all the folders containing encrypted files. The note demands a ransom of $490 to $980 and provides two email addresses for contact.

How to remove Invader Ransomware and decrypt .invader files

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Invader Ransomware is a type of malware that encrypts files on a victim's computer and demands payment in exchange for the decryption key. Once activated, Invader proceeds to encrypt the files on the victim's system and appends the .invader extension to filenames. The ransom note states that the victim's files have been encrypted and provides a contact email for unlocking. Invader ransomware uses an advanced encryption algorithm to lock files. It is designed to sneak into the targeted computer and encrypt the user’s data. Invader Ransomware does not really leave separate text ransom note. Instead it modifies desktop wallpaper, that contains contact email for unlocking.

How to remove Jasa Ransomware and decrypt .jasa files

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Jasa Ransomware is a dangerous malware that encrypts files on a victim's computer and demands a ransom payment in exchange for a decryption key to restore access to the encrypted files. Jasa Ransomware uses the Salsa20 encryption algorithm to encrypt files on the victim's computer. It scans each folder for the files it is able to encrypt. Then, when it finds the target, it makes a copy of the file, removes the original one, encrypts the copy, and leaves it instead of the removed original. Jasa Ransomware adds a .jasa extension to the end of the encrypted files to authenticate its presence. The encryption process is almost unbreakable, making it difficult to recover the encrypted files without the decryption key. The ransom note created by Jasa Ransomware is titled _readme.txt and is placed in all the folders that keep the encrypted files.

How to fix “Ethernet doesn’t have a valid IP configuration” error in Windows 10/11

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If you are experiencing the Ethernet doesn’t have a valid IP configuration error on your Windows 10/11 computer, you may be unable to connect to the internet. The "Ethernet doesn’t have a valid IP configuration" error means that Windows cannot receive the IP address from the DHCP (Dynamic Host Configuration Protocol), which automatically assigns IP addresses to devices connected to the network. This error can be caused by various problems with the network interface card (NIC), faulty drivers, and an improperly configured router or modem. The error can occur when the system is failing to establish a connection to the internet, and it believes the IP address is involved in the issue. In this article, we will provide you with instructions on how to fix this error.