Associated Malware Groups
The unsafe files using this name are associated with the malware group:
File Behavior
EMPA.EXE has been seen to perform the following behavior:
- Executes a Process
- Creates system tray popups, messages, errors and security warnings
- This Process Creates Other Processes On Disk
- Executes Processes stored in Temporary Folders
EMPA.EXE has been the subject of the following behavior:
- Created as a process on disk
- Has code inserted into its Virtual Memory space by other programs
- Deleted as a process from disk
- Executed as a Process
- This program is often downloaded from the web
- Created by processes which appear to be checking for interception by security products
- Executed from Temporary Folders
Country Of Origin
The filename EMPA.EXE was first seen on Sep 5 2008 in the following geographical regions of the Prevx community:
- The UNITED KINGDOM on Sep 5 2008
- The UNITED STATES on Sep 11 2008
- The EUROPEAN UNION on Sep 19 2008
- SPAIN on Sep 19 2008
File Name Aliases
EMPA.EXE can also use the following file names:
- UNINSTALLER[1].EXE
- LWPWER.EXE
- UNINSTALLER[2].EXE
- 01C90FCC42120F00_UNINSTALLER[1]_EXE.PE
- 01C90FCC42139630_LWPWER_EXE.PE
- LXAZPWH.TMP
- 38821816.PHP
- 01C914C04EE56570_UNINSTALLER[1]_EXE.PE
- 01C914C04EEC8C8A_LWPWER_EXE.PE
- ICQ.EXE
- 10871696.EXE
Filesizes
The following file size has been seen:
- 1,185,556 bytes
- 1,187,359 bytes
- 1,201,686 bytes
- 65,536 bytes
Vendor, Product and Version Information
These files have no vendor, product or version information specified in the file header.
File Type
The filename EMPA.EXE is used by multiple object types including objects,self extracting compressed files,executable programs.
File Activity
One or more files with the name EMPA.EXE creates, deletes, copies or moves the following files and folders:
- create folder C:\Program Files\PCHealthCenter
- Deletes c:\windows\system32\YUR18.tmp
- Copies filec:\program files\pchealthcenter\1.exe to c:\x
- Copies filec:\x to c:\windows\system32\YUR18.exe
- Deletes c:\windows\system32\YUR1C.tmp
- Copies filec:\program files\pchealthcenter\2.exe to c:\x
- Copies filec:\x to c:\windows\system32\YUR1C.exe
- Deletes c:\windows\system32\YUR20.tmp
- Copies filec:\program files\pchealthcenter\3.exe to c:\x
- Copies filec:\x to c:\windows\system32\YUR20.exe
- Deletes c:\windows\system32\YUR24.tmp
- Copies filec:\program files\pchealthcenter\4.exe to c:\x
- Copies filec:\x to c:\windows\system32\YUR24.exe
- Copies filec:\program files\pchealthcenter\1.ico to c:\windows\system32\1.ic
- Creates c:\documents and settings\user\desktop\QUALITY PORN.ur
- Copies filec:\program files\pchealthcenter\2.ico to c:\windows\system32\2.ic
- Creates c:\documents and settings\user\desktop\BEST ZOO PORN.ur
- create folder C:\Program Files\MSA
- Creates c:\documents and settings\user\desktop\MS Antivirus.lnk
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\opljk1s3\135[1]
- Copies filec:\program files\msa\MSA.cpl to c:\windows\system32\MSa.cpl
- Deletes c:\program files\msa\MSA.ooo
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\iy2f8yu8\lb[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\77xkpe1o\l[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\8daj1s8j\s[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\opljk1s3\y2[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\iy2f8yu8\y1[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\77xkpe1o\v1[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\8daj1s8j\y3[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\opljk1s3\r[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\iy2f8yu8\tb1[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\77xkpe1o\tb2[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\8daj1s8j\sp[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\opljk1s3\pb2[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\iy2f8yu8\pb1[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\77xkpe1o\pb4[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\8daj1s8j\pb3[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\opljk1s3\pr[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\iy2f8yu8\l1[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\77xkpe1o\l11[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\8daj1s8j\l2[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\opljk1s3\l3[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\iy2f8yu8\b1[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\77xkpe1o\b2[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\8daj1s8j\b3[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\opljk1s3\b4[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\iy2f8yu8\a[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\77xkpe1o\133[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\8daj1s8j\w1[1]
- Creates c:\documents and settings\user\local settings\temporary internet files\content.ie5\opljk1s3\w2[1]
Registry Activity
One or more files with the name EMPA.EXE creates or modifies the following registry keys and values:
- HKEY_CURRENT_USER\Software\Microsoft\Windows VRSIN 1220620052
- HKEY_CURRENT_USER\Software\Microsoft\Windows AIM 0000000000004683
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YUR18.exe C:\Windows\system32\YUR18.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YUR1C.exe C:\Windows\system32\YUR1C.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YUR20.exe C:\Windows\system32\YUR20.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YUR24.exe C:\Windows\system32\YUR24.exe
- HKEY_CURRENT_USER\Software\MSa 004 value:
- HKEY_CURRENT_USER\Software\MSa 111 [REG_DWORD, value: 0095218F]
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run ANTIVIRUS C:\Program Files\MSA\MSA.exe
- HKEY_CURRENT_USER\Software\MSa 545 C:\Program Files\MSA\MSA.exe
- HKEY_CURRENT_USER\Software\MSa 546 4683
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YUR9AB.exe C:\Windows\system32\YUR9AB.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURAB6.exe C:\Windows\system32\YURAB6.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURAC0.exe C:\Windows\system32\YURAC0.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURACB.exe C:\Windows\system32\YURACB.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURAD6.exe C:\Windows\system32\YURAD6.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURAE2.exe C:\Windows\system32\YURAE2.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURAEB.exe C:\Windows\system32\YURAEB.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURAE9.exe C:\Windows\system32\YURAE9.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURAEF.exe C:\Windows\system32\YURAEF.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURAFE.exe C:\Windows\system32\YURAFE.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB0D.exe C:\Windows\system32\YURB0D.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB18.exe C:\Windows\system32\YURB18.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB2A.exe C:\Windows\system32\YURB2A.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB36.exe C:\Windows\system32\YURB36.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB45.exe C:\Windows\system32\YURB45.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB67.exe C:\Windows\system32\YURB67.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB51.exe C:\Windows\system32\YURB51.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB61.exe C:\Windows\system32\YURB61.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB69.exe C:\Windows\system32\YURB69.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB70.exe C:\Windows\system32\YURB70.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB81.exe C:\Windows\system32\YURB81.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURB94.exe C:\Windows\system32\YURB94.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURBA7.exe C:\Windows\system32\YURBA7.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURBB7.exe C:\Windows\system32\YURBB7.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURBCF.exe C:\Windows\system32\YURBCF.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURBDC.exe C:\Windows\system32\YURBDC.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURBEC.exe C:\Windows\system32\YURBEC.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURBFD.exe C:\Windows\system32\YURBFD.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURC0E.exe C:\Windows\system32\YURC0E.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURC20.exe C:\Windows\system32\YURC20.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURC35.exe C:\Windows\system32\YURC35.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURC47.exe C:\Windows\system32\YURC47.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURC5D.exe C:\Windows\system32\YURC5D.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run \YURC77.exe C:\Windows\system32\YURC77.ex
Website Activity
One or more files with the name EMPA.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:127.0.0.1:1100 Port:15
- Port 80 IP:91.208.0.237