Gen.Variant.Application.InstallCore.1_5906f31932

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):No processes have been created.The Trojan injects its code into the following process(es):

%original file name%.exe:1992

File activity

The process %original file name%.exe:1992 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\skip-button.png (1342 bytes)
%Program Files%\is922703.log (10 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\back-button.png (1322 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\defaultOffer\offer_html.dat (3072 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\finish_button.jpg (1145 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is1438683437\4380116.cfg (218 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\defaultOffer\US\offer_html.dat (9361 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\blank.gif (49 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\next-button-over.png (1767 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\images\progress-bg.png (2845 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\Software.png (30599 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\license.txt (18520 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\checkbox.css (190 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\sdk\exceptlist.txt (34 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\defaultOffer\US\offer_code.dat (7706 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\is1438683437\673479180.cfg (218 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\progress-bar.css (501 bytes)
%Documents and Settings%\%current user%\Рабочий стол\Continue FoxTab PDF Creator Installation.lnk (904 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\defaultOffer\offer_code.dat (1958 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\loader.gif (22379 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\Bg.jpg (14232 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\browse.css (318 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\images\button-bg.png (131 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\close_button.png (1170 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\000E0395.log (8 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\000E16CF.log (8 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ICReinstall_%original file name%.exe (832520 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\button.css (417 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\icon.png (6707 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\ie6_main.css (1281 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\next-button.png (1768 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\progress-bg.png (2845 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\finish-button.png (1812 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\buttons.css (1151 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\main.css (3797 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\bootstrap_24744.html (156 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\000E14DB.log (8 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\locale\EN.locale (1948 bytes)

The Trojan deletes the following file(s):

%Program Files%\is922703.log (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\000E16CF.log (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ish918437\bootstrap_24744.html (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\000E14DB.log (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\000E0395.log (0 bytes)

Registry activity

The process %original file name%.exe:1992 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65324"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 0C 00 00 00 01 00 00 00 00 00 00 00"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Start Menu" = "%Documents and Settings%\All Users\Главное меню"

"Common Documents" = "%Documents and Settings%\All Users\Документы"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\Мои документы"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache]
"@xpsp3res.dll,-20001" = "Диагностика проблем подключения..."

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{91167d45-103d-11db-8c91-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
"CommonMusic" = "%Documents and Settings%\All Users\Документы\Моя музыка"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{91167d42-103d-11db-8c91-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Рабочий стол"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\DirectDraw\MostRecentApplication]
"Name" = "%original file name%.exe"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Рабочий стол"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"My Pictures" = "%Documents and Settings%\%current user%\Мои документы\Мои рисунки"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65324"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Start Menu" = "%Documents and Settings%\%current user%\Главное меню"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65324"

[HKLM\SOFTWARE\Microsoft\DirectDraw\MostRecentApplication]
"ID" = "708992537"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonVideo" = "%Documents and Settings%\All Users\Документы\Мои видеозаписи"
"CommonPictures" = "%Documents and Settings%\All Users\Документы\Мои рисунки"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "56 1C 4D 4B E9 29 E2 5F 8D 83 40 BA B6 10 4B 62"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65324"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{d8c0d8da-77bd-11e0-bb02-000c293bc0fd}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{ebcf8d94-66db-11de-b228-806d6172696f}]
"BaseClass" = "Drive"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Trojan deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

Network activity (URLs)

URL	IP
hxxp://os.solvefile.com/fx/v1.0.1/?v=2.0&c=868612504	207.189.109.121
hxxp://os.solvefile.com/Prod/PDFCreator-v2.cis
cdneu.solvefile.com	207.189.109.121
cdnus.solvefile.com	207.189.109.121

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Removals

Remove it with Ad-Aware

1. Click (here) to download and install Ad-Aware Free Antivirus.
2. Update the definition files.
3. Run a full scan of your computer.

Manual removal*

1. Terminate malicious process(es) (How to End a Process With the Task Manager):No processes have been created.
2. Delete the original Trojan file.
   
3. Delete or disinfect the following files created/modified by the Trojan:

   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\skip-button.png (1342 bytes)
   %Program Files%\is922703.log (10 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\back-button.png (1322 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\defaultOffer\offer_html.dat (3072 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\finish_button.jpg (1145 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\is1438683437\4380116.cfg (218 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\defaultOffer\US\offer_html.dat (9361 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\blank.gif (49 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\next-button-over.png (1767 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\images\progress-bg.png (2845 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\Software.png (30599 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\license.txt (18520 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\checkbox.css (190 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\sdk\exceptlist.txt (34 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\defaultOffer\US\offer_code.dat (7706 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\is1438683437\673479180.cfg (218 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\progress-bar.css (501 bytes)
   %Documents and Settings%\%current user%\Рабочий стол\Continue FoxTab PDF Creator Installation.lnk (904 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\defaultOffer\offer_code.dat (1958 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\loader.gif (22379 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\Bg.jpg (14232 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\browse.css (318 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\images\button-bg.png (131 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\close_button.png (1170 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\000E0395.log (8 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\000E16CF.log (8 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ICReinstall_%original file name%.exe (832520 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\sdk-ui\button.css (417 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\icon.png (6707 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\ie6_main.css (1281 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\next-button.png (1768 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\progress-bg.png (2845 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\images\finish-button.png (1812 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\buttons.css (1151 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\css\main.css (3797 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\bootstrap_24744.html (156 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\000E14DB.log (8 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\ish918437\locale\EN.locale (1948 bytes)

4. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
   
5. Reboot the computer.
   

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

VersionInfo

No information is available.

No information is available.

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
UPX0	4096	610304	0	0	d41d8cd98f00b204e9800998ecf8427e
UPX1	614400	540672	538112	5.50065	2ea4f0df94f187b7abf167ba5a28d7ed
.rsrc	1155072	32768	29184	3.86347	bb746afeda6394a6af9782c16f99aef9

Network Activity

Dropped from:

Downloaded by:

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