Police have arrested a 17-year-old computer student in Bangkok for allegedly running creeper pornographic websites and social media accounts from which he allegedly made half a million baht in three months.

Pol Col Jirakrit Jarunpat, commander of police's women and children welfare division, said on Thursday that the third-year university student was arrested at his house in Phra Nakhon district on Tuesday. There, police seized a desktop computer and a mobile phone with 300,000 pornographic files of girls and women, totalling 860 gigabytes.

Pol Col Jirakrit said detectives started to look for the suspect in August as several sites and social media pages with the name of Khote Warp and the like had distributed creeper porn, mainly upskirt pictures and video clips of girls and women including students, net idols and actresses.

The content was shared on many platforms including Facebook, Line and VK application. Some of the content was shared free of charge while the rest was shared with paying members, who were charged 300-800 baht each, the commander said.

"The suspect confessed that he acted alone. He gathered pictures from websites and shared them in public groups with about 30,000 members and private groups with about 1,000 participants who must pay membership fees," he said.

The suspect used his computer-related knowledge to do the illicit business and in three months made about 500,000 baht which he spent on luxury-brand products, police said.