Jigsaw ransomware
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Decrypt Jigsaw ransomware

Have you had files encrypted by Jigsaw ransomware? Our specialised solutions can efficiently restore your information.

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CASES OF
LOCKBIT ATTACK

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BLACK CAT ATTACK

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HIVE LEAKS ATTACK

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MALLOX ATTACK

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Decrypt Jigsaw ransomware files

If you've been affected by Jigsaw ransomware, it's essential to act immediately to recover your files.

Ransomware has become a critical threat to companies of all sizes and industries due to the significant increase in attacks in recent years. Studies indicate that in over 70% of cases, data is completely encrypted, leading about 56% of victims to pay criminals the ransom. Fortunately, there are effective technical alternatives to recover data without making any payment to attackers.

Jigsaw ransomware represents a sophisticated threat designed to completely block access to important files, whether on corporate or personal devices, through robust encryption. Recently, this type of ransomware has gained attention due to its destructive impact, seriously affecting essential sectors such as healthcare, education, industry, and financial markets.

Contrary to common viruses, Jigsaw ransomware is often operated by sophisticated criminal organisations using robust algorithms like AES-256 and RSA to encrypt critical files, maintaining control of the necessary decryption key.

Another frequently used practice is double extortion, in which attackers not only encrypt files but also extract and threaten to publicly disclose confidential data, further pressuring victims.

The number of ransomware attacks is rapidly increasing, with approximately 5% growth recorded last year. Ransom demands frequently exceed millions of dollars, leading many affected companies to pay the required amount due to ignorance of effective alternatives, directly fuelling the cycle of attacks.

We have exclusive technologies for effective decryption and recovery of ransomware-affected data.

Why choose Digital Recovery to decrypt Jigsaw ransomware?

Selecting a trusted partner following a ransomware attack is critical to guaranteeing rapid, safe, and successful outcomes. Digital Recovery is internationally recognised for providing exclusive solutions that blend innovative technologies with extensive experience in addressing sophisticated cyberattacks.

  • Exclusive Technology (TRACER): Our proprietary technology, TRACER, enables the recovery of data encrypted by Jigsaw ransomware, presenting a high success rate even in extremely complex scenarios.
  • Highly Specialised Team: We have highly skilled and certified professionals with proven experience in real ransomware cases, providing technical and strategic solutions customised to meet each individual case.
  • Proven Global Experience: With an international presence spanning over 25 years, our company serves customers in strategic markets such as the United States, Germany, the United Kingdom, Spain, Italy, Portugal, Brazil, and Latin America, providing efficient, multilingual support adapted to each region’s specific regulations.
  • Guaranteed Confidentiality: Our services rigorously adhere to all current data protection regulations. Additionally, we offer detailed confidentiality agreements (NDA), guaranteeing complete legal security for impacted organisations.
  • Customised Solutions: Our solutions are designed to adapt to major storage devices, including servers, storages (NAS, DAS, and SAN), RAID systems of all levels, databases, virtual machines, magnetic tapes, among others.

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Answers from our experts

How does the Jigsaw ransomware attack work?

The Jigsaw ransomware attack typically occurs in several well-defined stages:

  • Silent infiltration: The attack starts with phishing techniques, where malicious emails or infected attachments are sent to victims. Another common method involves exploiting technical vulnerabilities in outdated systems, such as software breaches or insecure remote access (RDP).
  • Backup mapping and neutralisation: After initial infiltration, the ransomware performs detailed mapping of the internal network, targeting strategic files and available or online-connected backups, aiming to neutralise these backups to prevent rapid recovery.
  • Mass encryption of files: Once the mapping of important files is complete, ransomware promptly initiates its encryption. Vital files including databases, ERP systems, virtual machines, and RAID systems are generally impacted, resulting in complete data inaccessibility.
  • Financial extortion: Immediately after data encryption, hackers leave a note demanding ransom payment. Typically, the instructions include communication through secure platforms or dark web sites, requesting cryptocurrency payments to prevent tracing.

How much does it cost to decrypt Jigsaw ransomware?

The exact cost to decrypt files affected by Jigsaw ransomware directly depends on the extent and technical complexity of the attack.

Generally, factors such as the amount of data affected, the type of compromised system (servers, virtual machines, storages, or databases), and the availability of functional backups directly influence the final cost.

If you want to quickly start recovery and obtain an accurate quote, contact our specialised team to perform a detailed initial diagnosis. Talk to our specialists now.

How long does the data recovery take?

The time needed for data recovery can significantly vary according to the specific scenario of the attack. On average, the process usually takes from a few days to a few weeks. The exact duration will depend on factors such as the volume of encrypted files, the size of the affected infrastructure, the technical complexity of the ransomware, and the availability or state of existing backups.

Once we perform the initial diagnosis, which occurs within the first 24 business hours after your contact, we will provide a precise and detailed estimate of the timeframe necessary to successfully complete your data recovery.

Is there any guarantee for data recovery?

Considering the technical complexity of ransomware attacks, no responsible company can guarantee in advance the complete recovery of files. Each incident presents unique technical aspects, such as different cryptographic algorithms and specific methods employed by criminals.

Nevertheless, Digital Recovery relies on proprietary and advanced technologies, including the exclusive TRACER solution, capable of providing high success rates in recovering ransomware-encrypted files.

Latest insights from our experts

What you need to know

Preventing a Jigsaw ransomware attack requires a comprehensive cybersecurity framework, but that’s not all, let’s list some important points that you need to pay attention to.

  • Organisation – Having documentation of the IT park helps a lot in the prevention process, in addition to the inventory of networks and computers. Develop rules so that new employees have clear company policy on the installation and use of programmes on computers.
  • Strong Passwords – Passwords should be strong, containing more than 8 digits, including special ones. And do not use a single password for multiple credentials.
  • Security Solutions – Have a good antivirus installed, keep all programmes up to date, especially the operating system. Besides the antivirus solution, you need a Firewall and endpoints. They will make sure that the system stays protected.
  • Beware of suspicious emails – One of the most used means for invasion used by hacker groups are spam email campaigns, so it is vital to create a security and awareness policy for employees not to download attached files sent by unknown emails.
  • Efficient backup policies – Backups are essential for any eventual incident, but even with this essential role many companies neglect it or create a backup schedule that is not effective. We have already assisted several clients that not only the data was encrypted, but also the backups. It is not recommended to keep online backups only. The best backup structure is 3x2x1, which is 3 backups, 2 online and 1 offline, in addition to creating a consistent routine of updating the backups.
  • Beware of unofficial programmes – There are numerous paid programmes that are made available for free on the Internet, such as Windows, Office and many others. They may appear to be free at first, but in the future can be used as a gateway for future hacker attacks. Even if official programmes demand financial resources, they are a good investment and are also secure.

Hackers use a variety of methods to infiltrate a victim’s system, including downloading infected files, malicious links, RDP attacks, phishing, and spam emails. Their goal is to gain access to the system undetected, and to achieve this, the Jigsaw ransomware is often disguised to evade detection by security systems.

When it comes to tactics that rely on user action, hackers employ phishing techniques to trick unsuspecting victims into downloading Jigsaw ransomware onto their systems without realising it.

Yes, there are several behaviours of your server that you can analyse to determine if you are being attacked by Jigsaw ransomware:

  1. High resource usage: If your server’s processing, memory, and disk usage are significantly higher than usual, it could indicate that ransomware is actively encrypting files or exfiltrating data.
  2. Changes in file extensions: Jigsaw Ransomware often renames files with a new extension, such as .encrypted or .locked. If you notice such changes, it may be a sign that your server has been attacked.
  3. Unusual network traffic: Jigsaw Ransomware needs to communicate with its command and control (C&C) server to receive instructions and report back on its progress. Analysing network traffic for unusual connections or data transfers can help you identify potential ransomware activity.
  4. Suspicious login attempts: Jigsaw Ransomware attackers often gain access to a server through phishing emails or brute force attacks on weak passwords. Monitoring your server’s login attempts and blocking suspicious activity can help prevent ransomware attacks.
  5. Unusual system modifications: Jigsaw Ransomware may make modifications to your server’s operating system or file system to carry out its attack. Keep an eye out for any changes to system files, registry entries, or other critical components.

By analysing these behaviours, you can potentially detect and prevent a Jigsaw ransomware attack on your server. It’s important to stay vigilant and implement security measures to protect against ransomware and other cyber threats.

The data will remain encrypted, it will be necessary for the affected machine to be formatted. By doing so all stored data will be lost.

But in cases where the Jigsaw  group uses the double extortion tactic of copying and extracting all files and encrypting the original data, the stolen files will be posted on the group’s website or Dark Web forums and all original data will remain encrypted on the affected device, requiring the device to be formatted.

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