Aiseesoft
www.aiseesoft.com
4Videosoft
stream-recorder.com/forum/www-4videosoft-com-review-4videosoft-low-quality-t4274.html
Tipard
www.tipard.com
Aimersoft
www.aimersoft.com
4Easysoft
www.4easysoft.com
All the product above belong to the same company, they spam everywhere at forums and blog.
Anyone who bought these product can get refund, if their earn nothing, they will not spam!!!