Bypassing Anti-Virus by modifying Hex Value

• Download HxD to modify the evil file we want.

• HxD is a carefully designed and fast hex editor which, additionally to raw disk editing and modifying of main memory (RAM), handles files of any size.

• Modifying the hex values, we change the program signature to by bypass the anti-viruses.

• Antivirus use database of signatures to detect malware.

HxD - Freeware Hex Editor and Disk Editor | mh-nexus

• Once its installed run the program and select the evil program.

Usage

• Rewrite the ascii spaces with random words, be careful to not overwrite the binary.

• Now just save the file and execute it to test it before you deliver it.