Hackers still have to support Windows XP, even if Microsoft doesn’t
Supporting the defunct OS comes at a cost
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Ransomware hunters recently chanced upon aransomware decryptorthat supports the venerable Windows XPoperating system.
Despite having its final release over a decade ago in 2008,Microsoftcontinued to support Windows XP for several more years, until it finally ceased this extended support in 2014. However it appears that many people stillcontinue to use the defunct OSfor everyday work, and since users continue to use Windows XP despite not having received security updates for several years, the OS is an easy target for threat actors.
The newly-discovered Avaddon ransomware decryptor is created specifically to decrypt Windows XP devices, and is proof that threat actors have tools to support the OS.
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Cost of support
However, supporting an old defunct OS isn’t as simple or straightforward as it may appear.
BleepingComputertalked to the CTO of anti-malware software developer, Fabian Wosar to understand the troubles that ransomware authors had to go through to ensure their decryptor works on Windows XP.
Wosar said that since the latestintegrated development environments (IDE), such asVisual Studio2019, no longer be used to compile software for Windows XP, the threat actors probably use an older version with an older compiler to package the app for Windows XP.
This will also limit the crypto libraries they can use since the decryptors assembled with older compilers won’t be able to unlock them.
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In fact, the process, and cost in terms of labour and time, of supporting Windows XP is high enough to dissuade Wosar from supporting the OS with Emisoft’s decrypters.
Via:BleepingComputer
With almost two decades of writing and reporting on Linux, Mayank Sharma would like everyone to think he’sTechRadar Pro’sexpert on the topic. Of course, he’s just as interested in other computing topics, particularly cybersecurity, cloud, containers, and coding.
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