A new malware campaign named SparkCat has emerged, targeting mobile users on both iOS and Android platforms. Discovered by cybersecurity firm Kaspersky, this malware is embedded in various applications available on official app stores, posing a significant risk to cryptocurrency wallet security.
Key Takeaways
SparkCat malware uses Optical Character Recognition (OCR) to extract sensitive information from users' photo galleries.
Over 242,000 downloads of infected apps have been reported across both platforms.
This is the first known instance of such malware infiltrating Apple's App Store.
What Is SparkCat Malware?
SparkCat is a malicious software development kit (SDK) that has been found in multiple applications on the Google Play Store and Apple App Store. It is designed to steal sensitive data, particularly cryptocurrency wallet recovery phrases, by scanning images stored on users' devices.
How SparkCat Operates
Once installed, SparkCat requests access to the user's photo gallery, often under the pretense of enhancing app functionality. The malware then utilizes OCR technology to scan images for text, specifically targeting cryptocurrency wallet recovery phrases or passwords. If it identifies any useful information, it transmits this data back to the attackers, effectively granting them access to the victim's digital assets.
Affected Applications
Kaspersky has identified several applications that contain the SparkCat malware, including:
ComeCome: A food delivery app with over 10,000 downloads on Android.
WeTink and AnyGPT: AI chat applications also found to be compromised.
These apps have collectively been downloaded more than 242,000 times from official app stores. While many of the infected apps have been removed, some may still be accessible through third-party sources or sideloading.
The Technology Behind SparkCat
SparkCat employs advanced techniques, including:
Optical Character Recognition (OCR): This technology scans images for keywords related to cryptocurrency recovery phrases in multiple languages, including English, Chinese, and Japanese.
Custom Protocol: The malware uses a unique protocol built in Rust, which is uncommon for mobile applications, to communicate with its command-and-control server.
How to Protect Yourself
To safeguard your digital assets from threats like SparkCat, consider the following precautions:
Be Cautious with App Permissions: Always scrutinize permission requests from apps, especially those asking for access to your photo gallery or personal data.
Download from Official Sources: Only install apps from trusted sources and be wary of third-party app stores or links.
Keep Your Device Updated: Regularly update your device’s operating system and apps to benefit from the latest security patches.
Use Security Software: Consider installing reputable security applications that can detect and prevent malware infections.
Avoid Storing Sensitive Information in Screenshots: Instead of keeping recovery phrases in your photo gallery, write them down securely.
The emergence of SparkCat malware highlights the evolving threat landscape in mobile cybersecurity, particularly for cryptocurrency users. As cybercriminals become more sophisticated, it is crucial for users to remain vigilant and take proactive measures to protect their sensitive information.
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Sources
SparkCat malware found on iOS and Android targets crypto wallets | Trusted Reviews, Trusted Reviews.
242,000 Times Downloaded Malicious Apps from Android and iOS Stealing Crypto Recovery Keys, CybersecurityNews.
SparKCat Malware Cracks App Store Security, Puts Cryptocurrency at Risk, Techweez.
Big security alert! Dangerous SparkCat virus found in 28 applications – India TV, India TV News.
Crypto-stealing malware SparkCat targets iOS and Android users via app stores, ReadWrite.