Choke.exe worms origins are traced back to Netherlands. It spreads only via MSN messenger. This pesky MSN virus worm spreads with the following message in your messenger
“President bush shooter is game that allows you to shoot Bush balzz hahaha”
To remove, do the following.
1. Press Ctrl, Alt, Del and select Choke.exe press and kill it by pressing End Task
2. Close MSN Messenger
3. Go to Start> Run> [type] “msconfig”
4. Click the tab at the top right hand corner that says “Startup”
5. Uncheck the box next to “Choke.exe”, “ShootPresidentBUSH.exe”, or “*The user name here*.exe
6. Find all using search “Choke.exe”, “ShootPresidentBUSH.exe”, or “*The user name here*.exe
7. Delete the file an Empty recycle bin
Now you are disinfected. Update your antivirus to stay safe from MSN Virus.
MSN is one of the most popular tools exploited by hackers to gain access to systems using it since MSN Messenger is a popular IM client with teens all over the world. A photo virus currently on the wild, prompts users to download a photo to their computer and many innocent victims tend to download these files thinking that it is a photo sent from one of their friends. This virus then latches to the victims computer and spreads itself virally using the victims friends list on messenger.
photo album.zip is a file that will will prompted to be downloaded. Other filenames include IMG-0012.zip, rachel.exe, newsXX.zip, Jenny.zip and etc which comes with a message making it look like a innocent download.
There are many tools which allow you to remove these kind of viruses include:
Virus Name : MSN Virus Project 1/ Generic2.EXO / Backdoor.Generic3.SAT
This is works similar to the Aplore MSN Virus and replicates itself by sending a message like this to everyone on your contact list.
“is that u on that photo 
hxxp://dollypics.xx.funpic.org/pictures.php?photo656.jpg (link edited to prevent people getting further infected)”.
Click here to remove MSN Virus Project 1/ Generic2.EXO / Backdoor.Generic3.SAT