# 2020 Defenit CTF - What Browser do I use>###### tags: `forensics`>[name=whysw@PLUS]## Attachments- problem    - [Image](https://drive.google.com/drive/folders/1oQYvJnbOou5TUXaV1ApoQnP6S_Vj8pbI)
## ChallengeFind the version of the hacker's default browser!
## Solution### Find default browserusing FTK imager, found`/Users/secre/NTUSER.DAT`
using registry viewer, found that`/Software/Microsoft/Windows/Shell/Associations/UrlAssociations/http/UserChoice/ProgId`is **`ChromeHTML`**.
---### Find the version of Chromeusing FTK imager, found`/Program Files (x86)/Google/Chrome/Application/83.0.4103.61` folder.
send `83.0.4103.61` to server and got the flag.
FLAG : `Defenit{Th1s_15_Chr0m3_Br0w53r!!}`