Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
ransack [ˈrænsæk] vt (search) переры́ть*(perf) (plunder) гра́бить*(разгра́бить*perf)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: