File Investigation Report
RLLS.DLL
Cloaked MalwareYour PC is infected. The file called RLLS.DLL is considered unsafe and there may be other infections on your PC.
You should urgently check your PC and remove any malicious software including RLLS.DLL as soon as possible. The free version of Prevx will scan your PC for millions of spyware and malware infections in less than 2 minutes. Don't put your confidential data, or your identity at risk, check your PC now with Prevx.
Associated Malware Groups
The filename is associated with the malware groups:
- Cloaked Malware
- Malicious Software
File Behavior
RLLS.DLL has been seen to perform the following behavior:
- The Process is polymorphic and can change its structure
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Adds a Registry Key (RUNONCE) to auto start Programs on system start up
- Adds a Winlogon Notification DLL to automatically load on system start up
- Found on infected systems and resists interrogation by security products
- Uses low level functions to hide itself from the user and from system/security processes
RLLS.DLL has been the subject of the following behavior:
- Deleted as a process from disk
- Created as a process on disk
- Registered as a Dynamic Link Library File
- The process is hooked into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
- Copied to multiple locations on the system
- Executed as a Process
Country Of Origin
The filename RLLS.DLL was first seen on May 8 2007 in the following geographical regions of the Prevx community:
- The UNITED STATES on May 8 2007
- TURKEY on May 8 2007
- SWEDEN on Jan 15 2008
- The EUROPEAN UNION on Apr 3 2009
File Name Aliases
RLLS.DLL can also use the following file names:
- RLLS.DL_
- OPLS.DLL
- PMLS.DLL
- PRLS.DLL
- SRLS.DLL
- RLLS(3).DLL
- SHLS.DLL.VZR
- SHLS.DLL
- RLLS(2).DLL
- ETLS.DLL
- PMLS.DL_
- PMLS(2).DLL
- RLLS.DLL.REN
- OSMIM.DLL
- MFEX-1.DAT
- TEMP.FR0EB9
- RLLS.DLL_TOBEDELETED
- RLLS.DLL_TOBEDELETED_OLD
Filesizes
The following file size has been seen:
- 315,392 bytes
- 385,024 bytes
- 307,200 bytes
- 376,832 bytes
- 385,664 bytes
- 344,064 bytes
Vendor, Product and Version Information
Files with the name RLLS.DLL have been seen to have the following Vendor, Product and Version Information in the file header:
- xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; 1.0.54.114 (Build 54.114)
- RelevantKnowledge; RelevantKnowledge; 1.0.54.114 (Build 54.114)
- RelevantKnowledge; RelevantKnowledge; 3.0.62.71 (Build 62.71)
- OpinionSquare; OpinionSquare; 3.0.62.71 (Build 62.71)
- PremierOpinion; PremierOpinion; 3.0.62.71 (Build 62.71)
- PermissionResearch; PermissionResearch; 3.0.62.71 (Build 62.71)
- mySHCCommunity; mySHCCommunity; 3.0.62.71 (Build 62.71)
- ShoppersHotlineWired; ShoppersHotlineWired; 3.0.62.71 (Build 62.71)
- e-Trends; e-Trends; 3.0.62.71 (Build 62.71)
- RelevantKnowledge; RelevantKnowledge; 1.0.54.77 (Build 54.77)
- TMRG, Inc.; RelevantKnowledge; 4.0.5.43 (Build 5.43)
- TMRG, Inc.; RelevantKnowledge; 4.0.6.38 (Build 6.38)
- RelevantKnowledge; RelevantKnowledge; 3.0.58.83 (Build 58.83)
- ShoppersHotlineWired; ShoppersHotlineWired; 3.0.58.83 (Build 58.83)
- PermissionResearch; PermissionResearch; 3.0.58.83 (Build 58.83)
- xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; 3.0.58.83 (Build 58.83)
- OpinionSquare; OpinionSquare; 3.0.58.83 (Build 58.83)
- e-Trends; e-Trends; 3.0.58.83 (Build 58.83)
- mySHCCommunity; mySHCCommunity; 3.0.58.83 (Build 58.83)
- RelevantKnowledge; RelevantKnowledge; ˆ
File Type
The filename RLLS.DLL refers to many versions of a dynamic link library.