Microsoft is releasing the brand new OS, launched in October, to suitable PCs progressively.
HP notes that this assault used the identical DNS servers, malware, and area registrar because the Home windows 11 one.Īs for Home windows 11, there are methods to obtain it securely. Attackers used the same spoof method to arrange a Discord webpage with a intently associated however misspelt title to trick customers into downloading a harmful installer posing as Discord’s personal. It is going to then try and cellphone residence to an IP handle and ship this data to the attackers.Īs HP notes, that is additionally much like one other assault that it analysed in 2021. When the file is run, it goes by the motions of downloading and working the RedLine Stealer malware, which makes an attempt to steal person data, passwords, bank card data, and cryptocurrency wallets. HP Wolf Security snapped this screenshot of the offending Windows 11 website with spoofed download links. This may occasionally even be there as a approach to circumvent anti-virus scans, HP suggests, as these might not try and fully scan a file of this dimension. The padding appears like a bunch of 0x30 byte codes and has no impression on the operation of the file. Considered in a hex editor, this padding is well noticed.” To realize such a excessive compression ratio, the executable possible accommodates padding that’s extraordinarily compressible. “That is far bigger than the common zip compression ratio for executables of 47%.
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“For the reason that compressed dimension of the zip file was just one.5 MB, this implies it has a formidable compression ratio of 99.8%,” HP researchers say. As soon as uncompressed, the file weighs in at 753MB, and therein lies some clue as to its nefarious intent. It accommodates six Home windows DLLs, an XML file, and a transportable executable file. The installer is named Windows11InstallationAssistant.zip, and it is just one.5MB massive compressed.
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