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I have some zip files I passworded, with win zip, and can't recall the password. Any idea on programs that will unlock the zip folders?
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Any that work are commercial and have a fee.
Is the best one I've used. It's $39 and it can take a long time to recover.
ZIP files do not store the password as part of the file. The password is used as part of the double-key encryption and that makes it very difficult to decrypt.
Good luck -
only way is bruteforce. so if its not a dictionary word you are pretty much screwed.
"It is to secure our rights that we resort to government at all." -Thomas JeffersonComment
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We use the pdf version at work..works really good.
www.elcomsoft.com
Unlock Password-Protected Archives
Advanced Archive Password Recovery recovers protection passwords or unlocks encrypted ZIP and RAR archives created with all versions of popular archivers. Recover passwords for plain and self-extracting archives created with PKZip and WinZip, RAR and WinRAR automatically or with your assistance. Guaranteed unlocking of archives created with WinZip 8.0 and earlier in under one hour is possible by exploiting an implementation flaw.
Supports all versions of ZIP/PKZip/WinZip, RAR/WinRAR, as well as ARJ/WinARJ, and ACE/WinACE (1.x)
Guaranteed recovery of archives in under 1 hour for ZIP archives created with WinZip 8.0 and earlier and containing at least 5 files
Supports archives over 4 GB and self-extracting archives
Supports strong AES encryption found in WinRAR and the new versions of WinZip
Exploits all known vulnerabilities and implementation flaws in the various compression algorithms for faster recovery
Speedy known-plaintext attack recovers certain ZIP and ARJ archives in minutes (user must supply at least one unprotected file from that archive)
Interrupt and resume operation at any time
Supports background operation by utilizing idle CPU cycles only
Dictionary and brute-force attacks with user-defined masks and advanced templates
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