The move means that PC users must install effective IT security software on their machines, and be prepared to prove that their software is installed, according to a report in the Yomiuri Shinbun newspaper.
The paper says that the Japanese Ministry of Justice is planning to submit a bill to the Diet which will "criminalise the creation and distribution of all computer viruses".
The paper adds that the move is because law enforcement officials in Japan are finding themselves powerless to bring malware authors to justice.
The newspaper adds that the current legal system in Japan "does not grant prosecutors the authority to directly charge such people for the damaged caused by their virus."
"As such, law enforcement agencies usually have to resort to various loopholes and workarounds in order to push charges against authors and distributors of such virus, which needlessly complicates the legal process", notes the paper.
Commenting on the paper's report, the VR Zone newswire says that the proposed bill also plans to single out distributors of computer viruses, meaning that the normal user will be affected - if the bill passes into law.
"After all, the average users are generally unaware if their PCs have been hijacked as part of a botnet or not. And since these people are unknowing distributors of malware, it remains to be seen how the bill will address such issues to ensure that users will not have to be wrongly accused by the law due to ignorance", says the newswire.
"But until then, the best way to safeguard oneself from being wrongfully charged by the law is to just simply be more mindful of computer security", it adds