Each file and folder have the following attributes:
1). Archive A
2). Read Only R
3). Hidden H
4). System S
-(minus) sign before an attribute it means removing attributes and +(plus) sign mean giving attributes to the file or folder.
example ) attrib -r -a -s -h file.txt this will remove all attributes from file.txt and attrib +r +a +s +h file.txt will give all attributes to file.txt .
If pen drive or other hard drive is infected by virus ,Command prompt is the best option.Follow the steps given below.1). Go To The Command Prompt By Start>All Programs>Accessories>Command Prompt Or Press Windows Key+R And Enter Cmd .
2). Go To The Drive Where You Want To Delete Virus Example Write D: To Go To D Drive .
3). Type “Attrib -R -S -H *.* /S /D” Without Quotations And Press Enter .
4)Press Dir /A .
5). Delete All The .Inf, .Exe , .Dll, .Log Extension File If They Are Not Your Files By Using Dos Del Command .
Example:
del autorun.inf
if any file is not deleting rename that file by rename command
Example: rename dst.exe ms.bak this will rename dst.exe to ms.bak
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