There bitter truth is there is none option to switch all automatic updated off in one go.
I solved my particular problem by rooting the phone. Since no exploit is known for 2.3.4 I had to unlock the phone. This in turn meant that both Amazon MP3 and Google Books stopped updating themselves.
Which is one way to solve the problem. Still I removed the files using the following Script:
#!/opt/local/bin/zsh
setopt No_Err_Exit
adb -d uninstall com.amazon.mp3
adb -d uninstall com.google.android.apps.books
setopt Err_Exit
adb -d pull /system/app/com.amazon.mp3.apk Originals/com.amazon.mp3.apk
adb -d pull /system/app/BooksPhone.apk Originals/BooksPhone.apk
adb -d pull /system/app/BooksPhone.odex Originals/BooksPhone.odex
adb -d shell <<-EOF
su
mount -o remount,rw /dev/block/mtdblock3 /system
busybox rm -v /system/app/com.amazon.mp3.apk
busybox rm -v /system/app/BooksPhone.apk
busybox rm -v /system/app/BooksPhone.odex
mount -o remount,ro /dev/block/mtdblock3 /system
busybox rm -v /data/dalvik-cache/system@[email protected]@classes.dex
busybox rm -v -r /data/data/com.amazon.mp3
busybox rm -v -r /data/data/com.google.android.apps.books
exit
exit
EOF
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Warning: This is script from the “If you can't understand it you should not be using it” category.