Hi guys. I am glad that some people took actions about that  creepy  doll that is spreading in items on exchange. Here are main  informations  about her.
 
Where is  it came from?
This doll came originally from TSR.  The creator uploaded wrong version  and she have noticed it after 2  months that it was broken. But it was too  late and this doll spreaded  very fast to other users. 
How this  doll look like?
What this doll do?
She  is attaching in invisible way to the houses, sims, households,   patterns, objects, clothes, tattoos etc. It is acting like a virus. for   example: I have it in my game and I am uploading items to the exchange   (this doll is attaching to them without my knowledge). Then some people   downloading my items and they getting the doll to their games. And  they  uploading they creations to exchange and spreading the doll to  more  users. And she is not only on exchange but also on other sim  websites too. 
What this doll can do to my game?   
It can do nothing to some games but to  other  games crashing, game lagging etc. As for me I couldn't use custom   content in the houses. I could have it in game but as soon as I put  some  cc in the house like lamp, sofa or any other cc all house was  lagging.  After removing cc from the house it was fine again. Nobody  could help me  with it. After finding out about the doll and removing  her it was fine  again :D
What can I do to get rid of her?
1. make backup of your game   just in case if something will go wrong. For most of the people this   doll is removed successfully without problems.
2.  check if this doll  is not in your houses as a toy or it's not in your  kids inventory
3.  go to install  content in your launcher (not downloads) and look for the  doll and  uninstall it
4.   check in DCBackups  (my documents/Electronic Arts/The Sims 3/DCBackup)
for this file
 0x038a68fe04da61a6aa65f939d77fbc37.package
and delete it too.
5.  check also your downloads  because there was the place from where the  doll was installed to the  game (if it was originally downloaded from TSR  or from the exchange  with some file) use Custard tool to check your  sims3packs. (You can  download it from modthesims - more info in link to  my blog in the end  of this post)
6. also    go to your Export folder (my documents/Electronic Arts/The Sims   3/Exports) if you sent something recently to exchange. Because this doll   is attaching to the files. It will be in your uploads too. Remove  files  or clean it with Custard tool. (untick the doll)
7.  check all your creations  that's are in your studio on exchange or on  other pages that you sent  something too. If they  have the doll remove it  
LETS NOT  SPREAD THIS  DOLL TO OTHER SIMMERS!
Check also my tutorial how to use  Custard tool (made  by Delphy from mod the sims). It is very usefull  tool that will help get  rid of the doll
http://glitzyangel-sim.blogspot.com/2010/05/custard-tool-by-delphy.html