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In this article, wikiHow will show you how to access a ZIP folder without knowing the password. The only way you can do that is to download a password cracking program. However, this process can take up to several days.
Steps
Preparing to remove the password
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- Most of the free trial versions only crack short passwords. If a program not listed below claims to offer free unlimited password cracking, don’t download it: it could be malware.
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- It’s impossible to guess a password by routine in just a few minutes. Any service that claims to do that is highly likely to be malware. [1] X Research Source
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- Even if you put all the maximum processing speed of your computer into cracking the ZIP folder password, the process can still take up to several days.
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- You can also copy and paste a ZIP folder by selecting the folder, pressing Ctrl + C (Windows) or ⌘ Command + C (Mac), going to the desktop, and pressing Ctrl + V or ⌘ Command + V .
- With the ZIP folder located on a mobile device, such as a smartphone or tablet, transfer it to your computer before proceeding to crack the password.
Use John the Ripper
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- In the unzipped window that just opened, click on the “john180j1w” folder.
- Press Ctrl + CORE
- Open the desktop and then press Ctrl + V .
- Right click on the pasted folder and select Rename
- Type john and press ↵ Enter .
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- Press Start
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- Type command prompt
- Press
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Command Prompt at the top of the Start window.
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- For example, for a ZIP folder named “xin_chao”, here you would enter zip2john.exe xin_chao.zip > xin_chao.hash .
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- You will have to replace “name” in both “name.pot” and “name.hash” with the name of your ZIP folder.
- The file “password.lst” contains a list of passwords and their permutations.
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Use paid software
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- The positive side of using these programs is that they are often very user-friendly.
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- Advanced Archive Password Recovery — https://www.elcomsoft.com/archpr.html
- Zip Password Recovery Professional — http://download.cnet.com/ZIP-Password-Recovery-Professional/3000-18501_4-75031119.html
- ZipKey — https://www.passware.com/kit-standard/freedemo/
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- Some password cracking programs allow long-pressing and dragging the ZIP folder into the program window.
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- The Dictionary method works best when you know part of a password or phrase you’ve used (but can’t remember the capitalization or characters).
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Advice
- A program can use several different methods. For best results, try each method. These include:
- Dictionary attack: check word list. If it works, this option is much faster than the others. However, the possibility of failure is quite large because not all passwords belong to this group.
- Brute force attack: guess every possible combination. Only available for short passwords and/or fast processors.
- Brute force with mask: In case you remember certain details about the password, this method will allow you to tell that information to the program before starting the enforcement. For example, it could be information that the password contains only letters, not numbers.
- To crack the password, you may have to let the computer run on its own for a few days.
Warning
- Depending on your computer’s processing speed, a brute force attack can take a long time. Even the computer is likely to be damaged because the processor has to work too hard with a long password cracking time.
- Copying and downloading copyrighted software without payment or without the owner’s consent is illegal in most countries.
- While it’s legal to use a password cracker, don’t access files you don’t have access to.
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
This article has been viewed 31,217 times.
In this article, the wikiHow will show you how to access a ZIP folder without knowing the password. The only way you can do that is to download a password cracking program. However, this process can take up to several days.
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