Malware known as ‘SparkCat’ has been found on iOS and Android app stores, posing a threat to cryptocurrency wallets. The malicious apps can steal sensitive data from users’ galleries and have been downloaded thousands of times. This discovery raises concerns about the effectiveness of app review processes. Users are advised to remove infected apps, use antivirus software, and avoid storing sensitive information in galleries. Stay vigilant for warning signs when downloading apps to protect against malware threats.