PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size: 321,168 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 05 Jun 2014

Arrival Details

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This spyware creates the following folders:

  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}
  • %User Profile%\Application Data\InstallMate
  • %User Profile%\InstallMate\7BB1540B
  • %User Profile%\7BB1540B\cfg
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\Addons
  • %User Temp%\is-P2MIR.tmp
  • %User Temp%\is-7KD0J.tmp
  • %User Temp%\is-7KD0J.tmp\_isetup
  • %Program Files%\EZDownloader
  • %System%\AMD64
  • %System%\X86
  • %Start Menu%\Programs\EZDownloader

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %System% is the Windows system folder, which is usually C:\Windows\System32.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.)

Other System Modifications

This spyware deletes the following files:

  • %Start Menu%\Programs\EZDownloader\EZDownloader.pif
  • %Start Menu%\Programs\EZDownloader\EZDownloader.url
  • %Desktop%\EZDownloader.pif
  • %Desktop%\EZDownloader.url

(Note: %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\Desktop on Windows Vista and 7.)

It adds the following registry keys:

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
Inno Setup: Setup Version = "5.5.2 (u)"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
Inno Setup: App Path = "%Program Files%\EZDownloader"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
InstallLocation = "%Program Files%\EZDownloader"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
Inno Setup: Icon Group = "EZDownloader"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
Inno Setup: User = "Wilbert"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
Inno Setup: Selected Tasks = "desktopicon"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
Inno Setup: Language = "en"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
DisplayName = "EZDownloader"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
DisplayIcon = "%Program Files%\EZDownloader\EZDownloader.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
UninstallString = "%Program Files%\EZDownloader\unins000.exe "

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
QuietUninstallString = "%Program Files%\EZDownloader\unins000.exe /SILENT"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
DisplayVersion = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
Publisher = "EZDownloader"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
InstallDate = "20140604"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
MajorVersion = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
MinorVersion = "0"

It deletes the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1

Dropping Routine

This spyware drops the following files:

  • %User Temp%\Tsu0ABBC417.dll
  • %User Temp%\7BB1540B.dat
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\_Setup.dll
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\Setup.ico
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\Readme.txt
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\Custom.dll
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\Setup.exe
  • %User Temp%\down.1172.1.ini
  • %User Temp%\down.1172.1.ini.part
  • %User Temp%\down.1172.general_logo.bmp
  • %User Temp%\down.1172.general_logo.bmp.part
  • %User Temp%\down.1172.v_grey.jpg
  • %User Temp%\down.1172.v_grey.jpg.part
  • %User Temp%\down.1172.2.ini
  • %User Temp%\down.1172.2.ini.part
  • %User Temp%\down.1172.3.ini
  • %User Temp%\down.1172.3.ini.part
  • %User Temp%\down.1172.3_1.ini
  • %User Temp%\down.1172.3_1.ini.part
  • %User Temp%\down.1172.3_2.ini
  • %User Temp%\down.1172.3_2.ini.part
  • %User Temp%\down.1172.4.ini
  • %User Temp%\down.1172.4.ini.part
  • %User Temp%\down.1172.5.ini
  • %User Temp%\down.1172.5.ini.part
  • %User Temp%\down.1172.EzDownloader_setup.exe
  • %User Temp%\down.1172.EzDownloader_setup.exe.part
  • %User Temp%\down.1172.6.ini
  • %User Temp%\down.1172.6.ini.part
  • %User Temp%\down.1172.6_1.ini
  • %User Temp%\down.1172.6_1.ini.part
  • %User Temp%\down.1172.setupespl.exe
  • %User Temp%\down.1172.setupespl.exe.part
  • %User Temp%\is-P2MIR.tmp\EzDownloader_setup.tmp
  • %User Temp%\is-7KD0J.tmp\_isetup\_shfoldr.dll
  • %User Temp%\is-7KD0J.tmp\isxdl.dll
  • %Program Files%\EZDownloader\unins000.dat
  • %Program Files%\EZDownloader\is-SSRAS.tmp
  • %Program Files%\EZDownloader\is-5AG6H.tmp
  • %Program Files%\EZDownloader\is-VG2Q2.tmp
  • %Program Files%\EZDownloader\is-Q3RA0.tmp
  • %Program Files%\EZDownloader\is-3K70U.tmp
  • %Program Files%\EZDownloader\is-LOVNR.tmp
  • %Program Files%\EZDownloader\is-3RPVM.tmp
  • %Program Files%\EZDownloader\is-ITUH6.tmp
  • %Program Files%\EZDownloader\is-OV3RQ.tmp
  • %Start Menu%\Programs\EZDownloader\EZDownloader.lnk
  • %Desktop%\EZDownloader.lnk

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\Desktop on Windows Vista and 7.)

Other Details

This spyware connects to the following possibly malicious URL:

  • http://r1.{BLOCKED}licationmy.info
  • http://c1.{BLOCKED}licationmy.info/?{random characters}
  • http://r1.{BLOCKED}licationmy.info/images/general_logo.bmp
  • http://r1.{BLOCKED}licationmy.info/images/v_grey.jpg
  • http://r1.{BLOCKED}licationmy.info/?{random characters}
  • http://r1.{BLOCKED}licationmy.info/addons/ezdownloader.exe
  • {BLOCKED}.255.26
  • {BLOCKED}61.118
  • {BLOCKED}.243.98

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.700

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • {0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1

Step 3

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • Inno Setup: Setup Version = "5.5.2 (u)"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • Inno Setup: App Path = "%Program Files%\EZDownloader"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • InstallLocation = "%Program Files%\EZDownloader"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • Inno Setup: Icon Group = "EZDownloader"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • Inno Setup: User = "Wilbert"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • Inno Setup: Selected Tasks = "desktopicon"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • Inno Setup: Language = "en"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • DisplayName = "EZDownloader"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • DisplayIcon = "%Program Files%\EZDownloader\EZDownloader.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • UninstallString = "%Program Files%\EZDownloader\unins000.exe "
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • QuietUninstallString = "%Program Files%\EZDownloader\unins000.exe /SILENT"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • DisplayVersion = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • Publisher = "EZDownloader"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • InstallDate = "20140604"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • MajorVersion = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1
    • MinorVersion = "0"

Step 4

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Temp%\Tsu0ABBC417.dll
  • %User Temp%\7BB1540B.dat
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\_Setup.dll
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\Setup.ico
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\Readme.txt
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\Custom.dll
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\Setup.exe
  • %User Temp%\down.1172.1.ini
  • %User Temp%\down.1172.1.ini.part
  • %User Temp%\down.1172.general_logo.bmp
  • %User Temp%\down.1172.general_logo.bmp.part
  • %User Temp%\down.1172.v_grey.jpg
  • %User Temp%\down.1172.v_grey.jpg.part
  • %User Temp%\down.1172.2.ini
  • %User Temp%\down.1172.2.ini.part
  • %User Temp%\down.1172.3.ini
  • %User Temp%\down.1172.3.ini.part
  • %User Temp%\down.1172.3_1.ini
  • %User Temp%\down.1172.3_1.ini.part
  • %User Temp%\down.1172.3_2.ini
  • %User Temp%\down.1172.3_2.ini.part
  • %User Temp%\down.1172.4.ini
  • %User Temp%\down.1172.4.ini.part
  • %User Temp%\down.1172.5.ini
  • %User Temp%\down.1172.5.ini.part
  • %User Temp%\down.1172.EzDownloader_setup.exe
  • %User Temp%\down.1172.EzDownloader_setup.exe.part
  • %User Temp%\down.1172.6.ini
  • %User Temp%\down.1172.6.ini.part
  • %User Temp%\down.1172.6_1.ini
  • %User Temp%\down.1172.6_1.ini.part
  • %User Temp%\down.1172.setupespl.exe
  • %User Temp%\down.1172.setupespl.exe.part
  • %User Temp%\is-P2MIR.tmp\EzDownloader_setup.tmp
  • %User Temp%\is-7KD0J.tmp\_isetup\_shfoldr.dll
  • %User Temp%\is-7KD0J.tmp\isxdl.dll
  • %Program Files%\EZDownloader\unins000.dat
  • %Program Files%\EZDownloader\is-SSRAS.tmp
  • %Program Files%\EZDownloader\is-5AG6H.tmp
  • %Program Files%\EZDownloader\is-VG2Q2.tmp
  • %Program Files%\EZDownloader\is-Q3RA0.tmp
  • %Program Files%\EZDownloader\is-3K70U.tmp
  • %Program Files%\EZDownloader\is-LOVNR.tmp
  • %Program Files%\EZDownloader\is-3RPVM.tmp
  • %Program Files%\EZDownloader\is-ITUH6.tmp
  • %Program Files%\EZDownloader\is-OV3RQ.tmp
  • %Start Menu%\Programs\EZDownloader\EZDownloader.lnk
  • %Desktop%\EZDownloader.lnk

Step 5

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}
  • %User Profile%\Application Data\InstallMate
  • %User Profile%\InstallMate\7BB1540B
  • %User Profile%\7BB1540B\cfg
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1
  • %User Temp%\{94EBE88D-6447-4263-A088-2C654F08CA7B}\Addons
  • %User Temp%\is-P2MIR.tmp
  • %User Temp%\is-7KD0J.tmp
  • %User Temp%\is-7KD0J.tmp\_isetup
  • %Program Files%\EZDownloader
  • %System%\AMD64
  • %System%\X86
  • %Start Menu%\Programs\EZDownloader

Step 6

Scan your computer with your Trend Micro product to delete files detected as TSPY_DOWNLOADER_DD30045A.UVPA. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 7

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %Start Menu%\Programs\EZDownloader\EZDownloader.pif
  • %Start Menu%\Programs\EZDownloader\EZDownloader.url
  • %Desktop%\EZDownloader.pif
  • %Desktop%\EZDownloader.url

Step 8

Restore these deleted registry keys/values from backup

*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • {0F44DC3A-6E62-4961-A14B-95323C512F9B}_is1


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