The DLL loader then decrypts and executes the embedded ShadowPad payload in memory using a custom decryption algorithm specific to the malware version. ShadowPad DLL loaders are sideloaded by a legitimate executable vulnerable to DLL search order hijacking. The majority of ShadowPad samples analyzed by CTU researchers were two-file execution chains: an encrypted ShadowPad payload embedded in a DLL loader. These DLL loaders decrypt and execute ShadowPad in memory after being sideloaded by a legitimate executable vulnerable to DLL search order hijacking. CTU researchers discovered that ShadowPad payloads are deployed to a host either encrypted within a DLL loader or within a separate file alongside a DLL loader. ShadowPad extracts information about the host, executes commands, interacts with the file system and registry, and deploys new modules to extend functionality. CTU™ researchers have identified multiple ShadowPad versions based on these distinct algorithms. ShadowPad is decrypted in memory using a custom decryption algorithm. Evidence of infrastructure and malware crossover among threat groups likely operating within the same theater command suggests that PLA reforms could be facilitating collaboration among these groups. These theater commands were introduced in the PLA reforms announced in 2015. Some clusters that target China's 'near abroad' appear to be linked to PLA theater commands. Secureworks® Counter Threat Unit™ (CTU) analysis of ShadowPad samples revealed clusters of activity linked to threat groups affiliated with the Chinese Ministry of State Security (MSS) civilian intelligence agency and the People's Liberation Army (PLA). A growing list of other Chinese threat groups have deployed it globally since 2019 in attacks against organizations in various industry verticals. Plus, we have improved our error reporting to get better information if the app crashes, so we can address critical issues sooner.The ShadowPad advanced modular remote access trojan (RAT) has been deployed by the Chinese government-sponsored BRONZE ATLAS threat group since at least 2017. This release also includes some minor usability tweaks to the new Cleaning Schedule interface. In Health Check, the scan now ignores files that were modified less than a minute ago, meaning that, after we've cleaned, the app won’t communicate that a PC is “under the weather” when it’s not! Version 6.04 brings various usability improvements to CCleaner. The ultimate cleaning app for Android (separate download)ĬCleaner Free and Professional are for home use only. Optimize old Macs, keep new ones fast (separate download) See Inside your PC Includes Speccy, so you can spot issues or find compatible upgrades Guards Against Junk Files Monitors junk in real-timeĪutomatically Clears History Cleans your browser when you close itįile Recovery Includes Recuva, so you never have to worry about losing a file again Software Updater Quickly updates apps to reduce security vulnerabilitiesĬleans Everywhere Even places other cleaners can't reach Privacy Protection Removes tracking files and browsing data PC Health Check Automatically analyzes, fixes and tunes your PC's performanceįaster Computer Control which apps use your computer's resources Performance Optimizer Boost your PC's speed by up to 34% + get better battery lifeĭriver Updater Boost the performance of PC hardware and devices
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