The victim was standing on Ninth Avenue near West 46th Street about 8:15 p.m. on May 19, when the suspect approached her from behind and touched her, the NYPD said. The woman fended off her attacker, and the man fled.
No injuries were reported.
Police released a surveillance image of the suspect Thursday, who was described as a man in his 20s and, in the surveillance image, appears to be wearing a hooded sweatshirt and dark pants.
Anyone with information about the incident is asked to call the NYPD's Crime Stoppers hotline at 800-577-TIPS. Members of the public can also submit tips at the Crime Stoppers website or by texting tips to CRIMES (274637) then entering TIP577.