You are probably a valid subtenant, which means the landlord would need to evict you in order to remove you. That process takes about a month to complete (completion occuring when sheriff shows up to throw you out). However, if you are forced to be evicted, the eviction will stay on your rental record, amking it hard for you to rent in the future. I would suggest trying to work out an arrangement with the landlord to allow you to stay for 2 more weeks. Report any crimes to the police.
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You probably should look at the main lease with the landlord and the person who lease it to you: the leases typically address if subleasing is allowed and if so, the landlords typically have a duty to not without consent unless there is reason. You also need to find out if the landlord received notice of the sublease.
At the least, you may have a contract claim against the person who rented it to you.