malwarebytes banner

Ransomware

Articles about removing Windows lockers, Browser lockers, Crypto-viruses and other types of blackmailing threats.

How to remove Payuranson Ransomware and decrypt .payuranson files

0
Payuranson Ransomware is a type of malware that belongs to the Skynet ransomware family. Upon successful infiltration, Payuranson Ransomware initiates a sophisticated encryption routine. It typically targets a wide array of file types, including documents, images, videos, and databases, to maximize the impact of the attack. The ransomware appends a specific file extension to encrypted files, usually .payuranson, which serves as a clear indicator of infection. The encryption algorithm employed by Payuranson Ransomware is often advanced, using combinations of RSA and AES encryption methods. These are cryptographic algorithms known for their robustness, making unauthorized decryption exceptionally challenging without the unique decryption key held by the attackers. Following the encryption process, Payuranson Ransomware generates a ransom note, typically named SkynetData.txt or a similar variant, and places it in every folder that contains encrypted files. This note includes instructions on how to contact the attackers, usually via email or a Tor-based payment site, and the amount of ransom demanded, often in cryptocurrencies like Bitcoin. The note may also contain threats of data deletion or exposure to compel victims into paying the ransom.

How to remove LockBit 4.0 Ransomware and decrypt .xa1Xx3AXs files

0
LockBit 4.0 represents the latest iteration in the LockBit ransomware family, known for its highly automated and fast encryption processes. This ransomware operates as part of a Ransomware-as-a-Service (RaaS) model, allowing affiliates to deploy the malware against targets in exchange for a share of the ransom payments. LockBit 4.0 Ransomware is notorious for its efficiency and for incorporating evasion techniques that enable it to bypass security measures and encrypt files undetected. Upon successful infection, LockBit 4.0 appends a unique file extension to encrypted files, which has been observed to vary with each campaign. An example of such an extension is .xa1Xx3AXs. This makes the encrypted files easily identifiable but inaccessible without decryption keys. The ransomware uses a combination of RSA and AES encryption algorithms. AES is used to encrypt the files themselves, while RSA encrypts the AES keys, ensuring that only the attacker can provide the decryption key. LockBit 4.0 generates a ransom note named xa1Xx3AXs.README.txt or a similarly named file, which is placed in each folder containing encrypted files. This note contains instructions for contacting the attackers via a Tor website and the amount of ransom demanded, often in cryptocurrencies. The note may also include threats of leaking stolen data if the ransom is not paid, a tactic known as double extortion. This article provides an in-depth analysis of LockBit 4.0 Ransomware, covering its infection methods, the file extensions it uses, the encryption standards it employs, the ransom note details, the availability of decryption tools, and guidance on how to approach the decryption of files with the extension ".xa1Xx3AXs".

How to remove Avira9 Ransomware and decrypt .Avira9 files

0
Avira9 Ransomware is a type of malicious software designed to encrypt files on a victim's computer, rendering them inaccessible. It is named after the file extension it appends to encrypted files. The attackers then demand a ransom from the victim in exchange for a decryption key, which is promised to restore access to the encrypted data. Upon encrypting a file, Avira9 appends a unique extension to the file name, typically .Avira9, making the file easily identifiable but inaccessible. The ransomware employs robust encryption algorithms, such as AES (Advanced Encryption Standard), RSA, or a combination of both, to lock the files. This encryption method is practically unbreakable without the corresponding decryption key, making the attacker's offer the only apparent solution to recovering the files. Avira9 Ransomware generates a ransom note, usually a text file named readme_avira9.txt or similarly, placed in every folder containing encrypted files or on the desktop. This note contains instructions for the victim on how to pay the ransom, usually in cryptocurrencies like Bitcoin, to receive the decryption key. It also often includes warnings about attempting to decrypt files using third-party tools, claiming that such attempts could lead to permanent data loss.

How to remove Wiaw Ransomware and decrypt .wiaw files

0
Wiaw Ransomware is a type of malicious software that belongs to the Stop/Djvu family of ransomware. It is designed to encrypt files on a victim's computer, rendering them inaccessible, and then demands a ransom from the victim to restore access to the encrypted files. Upon infection, Wiaw Ransomware adds the .wiaw extension to the files it encrypts. The encryption method used by Wiaw Ransomware is not explicitly detailed in the provided sources, but being part of the Stop/Djvu family, it likely employs a combination of AES and RSA encryption algorithms to lock files securely. Wiaw Ransomware creates a ransom note titled _readme.txt, informing victims of the encryption and demanding payment for a decryption tool. The note typically contains instructions on how to pay the ransom, often in cryptocurrency, and threatens permanent data loss if the demands are not met. Wiaw Ransomware is a dangerous malware that encrypts files and demands a ransom. While decryption tools exist, their effectiveness can vary, and prevention through good cybersecurity practices remains the best defense.

How to remove Wisz Ransomware and decrypt .wisz files

0
Wisz Ransomware is a type of malware that encrypts files on the victim's computer, appending the .wisz extension to the filenames. It targets personal photos, documents, databases, and other critical files, making them inaccessible without a decryption key, which the attackers offer in exchange for a ransom payment. Upon infection, Wisz Ransomware initiates a robust encryption process using the Salsa20 encryption algorithm. It scans the system for high-value files and encrypts them. This encryption renders the files inaccessible to the victims. After encrypting the files, WISZ ransomware drops a ransom note named _readme.txt in the directories containing encrypted files. This note includes instructions for contacting the attackers via email and the ransom amount, typically demanded in Bitcoin. The ransom usually ranges from $499 to $999, with a discount offered for prompt payment. This article provides an in-depth analysis of WISZ ransomware, including its infection methods, encryption techniques, ransom demands, and potential decryption solutions.

How to remove Lkfr Ransomware and decrypt .lkfr files

0
Lkfr Ransomware is a variant of the STOP/DJVU ransomware family, known for its malicious file encryption operations. Once it infiltrates a system, it targets various file types, encrypting them and appending the .lkfr extension, rendering them inaccessible without a decryption key. The ransomware demands a ransom payment in Bitcoin, typically ranging from $499 to $999, in exchange for the decryption key. After encryption, LKFR ransomware displays a ransom note named _readme.txt with payment instructions, demanding payment in Bitcoin to provide a decryption key. The note typically includes contact information and a unique ID for the victim. Lkfr Ransomware represents a significant threat due to its robust encryption tactics. Victims should focus on prevention, use reputable security solutions, and maintain regular offline backups to mitigate the impact of such ransomware attacks. If infected, it is crucial to remove the ransomware from the system and explore all available options for file recovery without succumbing to ransom demands.

How to remove 2023lock Ransomware and decrypt .2023lock files

0
2023Lock is a ransomware that has recently targeted companies, encrypting their data and demanding payment for decryption. This article aims to provide an informative, preventive, and recovery-focused perspective on this malicious software. Once installed, it encrypts files and appends the .2023lock extension to their names. The ransomware uses sophisticated encryption algorithms, making it difficult to decrypt files without the attackers' involvement. After encryption, 2023Lock creates two ransom notes, README.html and README.txt, which are dropped into the C drive. These notes inform the victim that their files have been encrypted and sensitive data stolen, urging them to contact the cybercriminals within 24 hours. The ransom note also warns against using third-party decryption tools, as they may render the affected data undecryptable. 2023Lock ransomware is a severe threat that can cause significant damage to your data. To protect yourself, maintain regular backups, keep your security software up-to-date, and exercise caution when handling email attachments or downloading files. If you are infected, do not pay the ransom, as there is no guarantee of file recovery. Instead, focus on removing the ransomware and restoring your data from a backup.

How to remove Dalle Ransomware and decrypt .dalle files

0
Dalle Ransomware is a high-risk infection that is part of the Djvu ransomware family. It was first discovered by malware researcher Michael Gillespie. The primary function of Dalle is to infiltrate computers stealthily and encrypt most stored files, rendering them unusable. During the encryption process, Dalle appends the .dalle extension to the filenames. The exact encryption algorithm used by Dalle is unconfirmed, but it is known that each victim receives a unique decryption key stored on a remote server controlled by the ransomware developers. Dalle creates a ransom note named _readme.txt and places a copy in every folder containing encrypted files. The note informs victims that their files are encrypted and demands a ransom payment to decrypt them. The initial ransom amount is $980, with a 50% discount offered if contact is made within 72 hours, reducing the cost to $490. The main purpose of the article is informational, aiming to educate readers about the Dalle Ransomware, its infection methods, the encryption it uses, the ransom note it creates, and the possibilities for decryption, including the use of tools like the Emsisoft STOP Djvu decryptor.