Advanced Archive Password Recovery
 
Advanced Archive Password Recovery (or ARCHPR for short) can be used to recover lost or forgotten passwords to ZIP (PKZip, WinZip), ARJ/WinARJ, RAR/WinRAR (2.x) and ACE/WinACE (1.x) archives. At the moment, there is no known method to extract the password from such compressed files, so the only available methods are "brute force" and dictionary attacks (for ARJ and ZIP formats, known-plaintext attack is also available).

The key features of ARCHPR are:
  • The program has a convenient user interface
  • The program is very fast: for ZIP, brute-force attack speed is up to fifteen million passwords per second (on Pentium III)
  • PKZip 4.0 archives (with digital signatures and deflate64 compression method) are supported
  • Known plainext attack is available
  • The program can work with archives containing only one encrypted file only (at the same speed)
  • Self-extracting archives are supported
  • The program is customizable: you can set the password length (or length range), the character set to be used to generate the passwords, and a lot of other options
  • You can select the custom character set for brute-force attack (non-English characters are supported)
  • Dictionary-based attack is available
  • The "brute-force with mask" attack is available
  • The maximum password length is not limited (there are some practical limitations, though)
  • No special virtual memory requirements
  • You can interrupt the program at any time, and restart from the same point later
  • The program can work in the background, using the CPU only when it is in idle state
 
In fact, ARCHPR accumulates all the features of Advanced ZIP Password Recovery, Advanced ARJ Password Recovery, Advanced RAR Password Recovery and Advanced ACE Password Recovery, but costs a half of their total price, so if you need a complete password recovery solution for 4 archive types, you can save $60 (or $120 for a business license)!
Get more information about ARCHPR
View the screenshot of ARCHPR
 
Read what's new in ARCHPR 1.01
Download ARCHPR 1.01 (Apr 6, 2001; 718K)
Download ARCHPR 1.01 from mirror #1 (http)
Download ARCHPR 1.01 from mirror #2 (ftp)
A full list of mirror sites you can download ARCHPR 1.01 from
Look at other Password recovery software we have (for ZIP / RAR / ACE / ARJ / Word97 / Excel97 / Office97 / Word95 / Excel95 / Office95 / VBA / Access / Outlook / Outlook Express / Project / Money / Lotus SmartSuite (WordPro, 1-2-3, Approach, Organizer) / Adobe Acrobat PDF / Adobe Acrobat eBooks / ACT! / Paradox / Quicken / QuickBooks / Backup / ICQ)
 
Important! Unregistered version can be used during 30 days after installation (although it doesn't expire, actually) and has some limitations. You can order the fully licensed version of ARCHPR over the Internet from RegNow with any major credit card. The ordering page is on a secure server, ensuring that your confidential information remains confidential. As soon as RegNow notifies us that your order has been processed (usually in one business day), we will provide you with the registration code which will register your copy of ARCHPR. You can also make the usual wire transfer to our bank account in U.S. or send the check, if you would not like to use you credit card in the Internet. Please don't send cash to our mailing address!
 
Note: With the Personal License ($60), you can use the program for non-commercial purposes in non-business, non commercial environment. To use the program in a corporate, government or business environment, you should purchase a Business License ($120).
 
   Order the Fully Licensed Version of ARCHPR
 
Note: If you've made a payment, but haven't got a confirmation letter with your serial number (registration code) within a reasonable amount of time (two business days for credit card payments or two weeks for other payments), please notify us about that! We're very sorry for any inconvenience caused by those delays.


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