PUA_PCPOWERSPEED.GA
PUA.PCPowerSpeed (Symantec)
Windows
Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This potentially unwanted application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be manually installed by a user.
TECHNICAL DETAILS
Arrival Details
This potentially unwanted application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It may be manually installed by a user.
Installation
This potentially unwanted application adds the following folders:
- %User Temp%\is-{random characters}.tmp\{malware filename}.tmp
- %User Temp%\is-{random characters}.tmp\_isetup
- %Program Files%\PCPowerSpeed
- %Application Data%\PCPowerSpeed
- %ProgramData%\Microsoft\Windows\Start Menu\Programs\PC Power Speed
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %ProgramData% is the Program Data folder, where it usually is C:\Program Files in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It drops the following files:
- %User Temp%\is-{random characters}.tmp\_isetup\_RegDLL.tmp
- %User Temp%\is-{random characters}.tmp\_isetup\_shfoldr.dll
- %Program Files%\PCPowerSpeed\unins000.dat
- %Program Files%\PCPowerSpeed\unins000.exe
- %Program Files%\PCPowerSpeed\unins000.msg
- %Program Files%\PCPowerSpeed\PCPowerSpeed.exe
- %Program Files%\PCPowerSpeed\PCPowerTray.exe
- %Application Data%\PCPowerSpeed\faq.tmp
- %Desktop%\PC Power Speed - Optimize Your PC.lnk
- %ProgramData%\Microsoft\Windows\Start Menu\Programs\PC Power Speed\PC Power Speed.lnk
- %ProgramData%\Microsoft\Windows\Start Menu\Programs\PC Power Speed\PCPowerSpeed.com.url
- %ProgramData%\Microsoft\Windows\Start Menu\Programs\PC Power Speed\Uninstall PC Power Speed.lnk
Autostart Technique
This potentially unwanted application adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
PCPowerSpeed = ""%Program Files%\PCPowerSpeed\PCPowerTray.exe" /startup"
Other System Modifications
This potentially unwanted application adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
HKEY_CURRENT_USER\Software\Microsoft\
Direct3D
HKEY_CURRENT_USER\Software\Microsoft\
Direct3D\MostRecentApplication
HKEY_CURRENT_USER\Software\PCPowerSpeed
HKEY_CURRENT_USER\Software\PCPowerSpeed\
AppMessages
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
Inno Setup: Setup Version = "5.3.8 (a)"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
Inno Setup: App Path = "%Program Files%\PCPowerSpeed"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
InstallLocation = "%Program Files%\PCPowerSpeed\"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
Inno Setup: Icon Group = "PC Power Speed"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
Inno Setup: User = "{username}"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
Inno Setup: Language = "en"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
DisplayName = "PC Power Speed 2.1.0.108"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
DisplayIcon = "%Program Files%\PCPowerSpeed\PCPowerSpeed.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
UninstallString = "%Program Files%\PCPowerSpeed\unins000.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
QuietUninstallString = ""%Program Files%\PCPowerSpeed\unins000.exe" /SILENT"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
DisplayVersion = "2.1.0.108"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
Publisher = "Crawler Group, LLC"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
URLInfoAbout = "http://www.PCPowerSpeed.com/"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
HelpLink = "http://www.PCPowerSpeed.com/"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
URLUpdateInfo = "http://www.PCPowerSpeed.com/"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
NoModify = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
NoRepair = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
InstallDate = "{Installation date}"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
MajorVersion = "2"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
MinorVersion = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{B0C56FD7-493D-44DD-B007-BBB5117D6E6F}_is1
EstimatedSize = "14006"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
StartPage\NewShortcuts
%Application Data%\Microsoft\Windows\Start Menu\Programs\PC Power Speed\PC Power Speed.lnk = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
StartPage\NewShortcuts
%ProgramData%\Microsoft\Windows\Start Menu\Programs\PC Power Speed\PC Power Speed.lnk = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Direct3D\MostRecentApplication
Name = "PCPowerSpeed.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\PCPowerSpeed
INSTALL = "{hex value}"
HKEY_CURRENT_USER\Software\PCPowerSpeed
SCHEDULE_SCAN = "7"
HKEY_CURRENT_USER\Software\PCPowerSpeed
STARTUP_SCAN = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\PCPowerSpeed
SHOW_RESULTS = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\PCPowerSpeed
SHOW_TRAY = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\PCPowerSpeed
DELAY_STARTUP = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\PCPowerSpeed
CREATE_SYSTEMRP = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\PCPowerSpeed
CHECK_FOR_UPDATES = "1"
HKEY_CURRENT_USER\Software\PCPowerSpeed
LAST_UPDATE = "{hex value}"
HKEY_LOCAL_MACHINE\SOFTWARE\PCPowerSpeed
LANGUAGE = "en"
HKEY_LOCAL_MACHINE\SOFTWARE\PCPowerSpeed
INSTCFG = "29"
HKEY_LOCAL_MACHINE\SOFTWARE\PCPowerSpeed
UID = "{UID}"
HKEY_LOCAL_MACHINE\SOFTWARE\PCPowerSpeed
PARAM{number} = "{hex value}"
HKEY_CURRENT_USER\Software\PCPowerSpeed
OTF = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\PCPowerSpeed
SERVER_STATUS_TYPE = ""
Other Details
This potentially unwanted application connects to the following possibly malicious URL:
- http://www.{BLOCKED}rspeed.com/client.asmx
- http://www.{BLOCKED}rspeed.com/client.asmx/GetXML
- http://www.{BLOCKED}rspeed.com/client.asmx/Activate
- http://www.{BLOCKED}rspeed.com/client.asmx/SendLog
- http://www.{BLOCKED}rspeed.com/client.asmx/GetPhone
- http://www.{BLOCKED}rspeed.com/appDefault.aspx?page=app_help_pcsc&lng=en
- http://www.{BLOCKED}rspeed.com/appDefault.aspx?page=app_help_pcsc