Prevx Research Division
DOWNLOAD.EXE
Cloaked MalwareFree PC Cleanup from Webroot
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Cloaked Malware
- Worm
- Malicious Software
File Behavior
DOWNLOAD.EXE has been seen to perform the following behavior:
- Writes to another Process's Virtual Memory (Process Hijacking)
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Adds a Registry Key (DXCOM) to auto start Programs on system start up
- This process creates other processes on disk
- Executes a Process
- This Process Deletes Other Processes From Disk
- Registers a Dynamic Link Library File
- Injects code into other processes
- Copies files
- Performs DNS look ups to resolve URL IP addresses
- The Process is packed and/or encrypted using a software packing process
- Can communicate with other computer systems using HTTP protocols
- Creates system tray popups, messages, errors and security warnings
- Downloads program file(s) and other content from the web
- Uses hidden browser windows to connect to web sites without telling you
- Opens browser pop ups
- Uses rootkit techniques to conceal its presence, interrogation or removal
- Creates new file extentions so that Internet Explorer will automatically open and potentially execute additional file types
- Adds new menu items in the Internet Explorer Right Click menu
DOWNLOAD.EXE has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- Created as a process on disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Terminated as a Process
- Registered as a Dynamic Link Library File
- Copied to multiple locations on the system
- Executed from Temporary Folders
- Deleted as a process from disk
Country Of Origin
The filename DOWNLOAD.EXE was first seen on May 17 2007 in the following geographical regions of the Webroot community:
- The United States on May 17 2007
- Europe on Dec 20 2007
- South Africa on Dec 20 2007
- Dominican Republic on Feb 29 2008
- Slovakia on Mar 17 2008
- Philippines on Apr 1 2009
- Peru on Nov 17 2009
- The United Kingdom on Nov 17 2009
- Italy on Dec 26 2009
- Ireland on May 25 2012
Filesizes
The following file size has been seen:
- 212,992 bytes
- 188,416 bytes
- 83,177 bytes
- 114,688 bytes
- 1,648,988 bytes
- 245,760 bytes
- 274,165 bytes
- 4,818,944 bytes
File Type
The filename DOWNLOAD.EXE refers to many versions of an executable program.
File Activity
One or more files with the name DOWNLOAD.EXE creates, deletes, copies or moves the following files and folders:
- create folder C:\WINDOWS\system32\F643B0
- create folder C:\WINDOWS\system32\08792C
- create folder C:\WINDOWS\system32\FB67A2
- Creates c:\docume~1\user\locals~1\temp\e_4\krnln.fnr
- Creates c:\docume~1\user\locals~1\temp\e_4\shell.fne
- Creates c:\docume~1\user\locals~1\temp\e_4\eAPI.fne
- Creates c:\docume~1\user\locals~1\temp\e_4\internet.fne
- Creates c:\docume~1\user\locals~1\temp\e_4\spec.fne
- Creates c:\docume~1\user\locals~1\temp\e_4\RegEx.fnr
- Creates c:\docume~1\user\locals~1\temp\e_4\dp1.fne
- Creates c:\docume~1\user\locals~1\temp\e_4\com.run
- Creates c:\windows\system32\f643b0\7B41F5.EXE
- Creates c:\windows\system32\fb67a2\3b08.inf
- Creates c:\windows\system32\fb67a2\2c9f.inf
- Creates c:\windows\system32\fb67a2\2c9f.EDT
- Deletes c:\documents and settings\user\cookies\desktop.ini
- Deletes c:\documents and settings\user\cookies\index.dat
- Deletes c:\documents and settings\user\local settings\temporary internet files\antiphishing\B3BB5BBA-E7D5-40AB-A041-A5B1C0B26C8F.dat
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\2lcwzf76\32x45_96dpi_v2[1].png
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\2lcwzf76\32x45_icon_tab_96_dpi[1].png
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\2lcwzf76\MsgrConfig[1].xml
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\2lcwzf76\WLMFacebookTab[1].png
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\4cvefhyb\cp2403_Spring_001[1].png
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\4cvefhyb\icon_msgr8.5[1
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\4cvefhyb\mo_logo[1].png
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\67acpgmg\shop01[1].png
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\67acpgmg\Tab-mobile-green2[1].png
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\67acpgmg\TAB_icon01[1].png
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\7gddxlhz\ebaylogo[1].png
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\7gddxlhz\piczo_icon_45x45[1].png
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\7gddxlhz\safety[1].png
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\desktop.ini
- Deletes c:\documents and settings\user\local settings\temporary internet files\content.ie5\index.dat
- Deletes c:\documents and settings\user\local settings\temporary internet files\desktop.ini
- Deletes c:\documents and settings\user\local settings\history\history.ie5\index.dat
- Deletes c:\documents and settings\user\local settings\history\history.ie5\mshist012009061220090613\index.dat
- Deletes c:\documents and settings\user\local settings\history\history.ie5\mshist012009070220090703\index.dat
- Copies filec:\docume~1\user\locals~1\temp\e_4\com.run to c:\windows\system32\08792c\com.run
- Copies filec:\docume~1\user\locals~1\temp\e_4\dp1.fne to c:\windows\system32\08792c\dp1.fne
- Copies filec:\docume~1\user\locals~1\temp\e_4\eAPI.fne to c:\windows\system32\08792c\eAPI.fne
- Copies filec:\docume~1\user\locals~1\temp\e_4\internet.fne to c:\windows\system32\08792c\internet.fne
- Copies filec:\docume~1\user\locals~1\temp\e_4\krnln.fnr to c:\windows\system32\08792c\krnln.fnr
- Copies filec:\docume~1\user\locals~1\temp\e_4\RegEx.fnr to c:\windows\system32\08792c\RegEx.fnr
- Copies filec:\docume~1\user\locals~1\temp\e_4\shell.fne to c:\windows\system32\08792c\shell.fne
- Copies filec:\docume~1\user\locals~1\temp\e_4\spec.fne to c:\windows\system32\08792c\spec.fne
- Creates c:\documents and settings\user\start menu\programs\startup\กกกกกก.lnk
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