| URL: | http://wcdownloadercdn.lavasoft.com/8.9.0.992/WcInstaller.exe |
| Full analysis: | https://app.any.run/tasks/a1e2a410-1fc0-4928-9cf8-90d552ade76d |
| Verdict: | Malicious activity |
| Threats: | Adware is a form of malware that targets users with unwanted advertisements, often disrupting their browsing experience. It typically infiltrates systems through software bundling, malicious websites, or deceptive downloads. Once installed, it may track user activity, collect sensitive data, and display intrusive ads, including pop-ups or banners. Some advanced adware variants can bypass security measures and establish persistence on devices, making removal challenging. Additionally, adware can create vulnerabilities that other malware can exploit, posing a significant risk to user privacy and system security. |
| Analysis date: | January 31, 2024, 20:08:39 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MD5: | 856358547E774A4F1C80F9ACA540F61F |
| SHA1: | 7BE44B71B22F16E70A854D7D88E10DF960425430 |
| SHA256: | 919C1483DFE8E93BF1026AD3F77AF6B252325D6E0595D66BE7BCEAC56D6C811E |
| SSDEEP: | 3:N1KJGDodXGpJEraRdWhccXpbJOXLNn:CIAQmccXptOXLN |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1392 | "C:\Program Files\Internet Explorer\iexplore.exe" "http://wcdownloadercdn.lavasoft.com/8.9.0.992/WcInstaller.exe" | C:\Program Files\Internet Explorer\iexplore.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Exit code: 0 Version: 11.00.9600.16428 (winblue_gdr.131013-1700) Modules
| |||||||||||||||
| 2416 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:1392 CREDAT:267521 /prefetch:2 | C:\Program Files\Internet Explorer\iexplore.exe | iexplore.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Internet Explorer Exit code: 0 Version: 11.00.9600.16428 (winblue_gdr.131013-1700) Modules
| |||||||||||||||
| 2540 | .\WebCompanionInstaller.exe --prod --nanouniqueid=1706731783401 --prod | C:\Users\admin\AppData\Local\Temp\7zS8CF42907\WebCompanionInstaller.exe | WcInstaller.exe | ||||||||||||
User: admin Company: Lavasoft Integrity Level: HIGH Description: Web Companion Exit code: 0 Version: 7.0.2417.4248 Modules
| |||||||||||||||
| 2812 | C:\Windows\Microsoft.Net\Framework\v3.0\WPF\PresentationFontCache.exe | C:\Windows\Microsoft.Net\Framework\v3.0\WPF\PresentationFontCache.exe | — | services.exe | |||||||||||
User: LOCAL SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: PresentationFontCache.exe Exit code: 0 Version: 3.0.6920.4902 built by: NetFXw7 Modules
| |||||||||||||||
| 3380 | "C:\Users\admin\Downloads\WcInstaller.exe" | C:\Users\admin\Downloads\WcInstaller.exe | — | iexplore.exe | |||||||||||
User: admin Company: Lavasoft Integrity Level: MEDIUM Description: Web Companion Installer Exit code: 3221226540 Version: 8.9.0.992 Modules
| |||||||||||||||
| 3420 | "C:\Users\admin\Downloads\WcInstaller.exe" | C:\Users\admin\Downloads\WcInstaller.exe | iexplore.exe | ||||||||||||
User: admin Company: Lavasoft Integrity Level: HIGH Description: Web Companion Installer Exit code: 0 Version: 8.9.0.992 Modules
| |||||||||||||||
| 3624 | .\WebCompanionInstaller.exe --prod | C:\Users\admin\AppData\Local\Temp\7zSC5D10437\WebCompanionInstaller.exe | WcInstaller.exe | ||||||||||||
User: admin Company: Lavasoft Integrity Level: HIGH Description: Web Companion Exit code: 0 Version: 8.9.0.992 Modules
| |||||||||||||||
| 4040 | "C:\Users\admin\AppData\Local\Temp\wctmp_1689517070\WcInstaller.exe" --nanouniqueid=1706731783401 --prod | C:\Users\admin\AppData\Local\Temp\wctmp_1689517070\WcInstaller.exe | WebCompanionInstaller.exe | ||||||||||||
User: admin Company: Lavasoft Integrity Level: HIGH Description: Web Companion Installer Exit code: 0 Version: 7.0.2417.4248 Modules
| |||||||||||||||
| (PID) Process: | (1392) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPDaysSinceLastAutoMigration |
Value: 0 | |||
| (PID) Process: | (1392) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing |
| Operation: | write | Name: | NTPLastLaunchHighDateTime |
Value: 30847387 | |||
| (PID) Process: | (1392) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager |
| Operation: | write | Name: | NextCheckForUpdateHighDateTime |
Value: 30847437 | |||
| (PID) Process: | (1392) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (1392) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (1392) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main |
| Operation: | write | Name: | CompatibilityFlags |
Value: 0 | |||
| (PID) Process: | (1392) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1392) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (1392) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (1392) iexplore.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1392 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\~DFCCDEF5DC246923B1.TMP | binary | |
MD5:EFF2E56C494F062B5805B420B37022E8 | SHA256:FAC83EFF6094C6B1952C1E5FECBB4209F2CB940946AF55870A2B6C7304DE4ADD | |||
| 3420 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zSC5D10437\ICSharpCode.SharpZipLib.dll | executable | |
MD5:B4ECB8001F71894C1A17860476981441 | SHA256:E6133BAA62122E214AB9C114E9FFF73BF25956518907A88577A85C8FB88C561F | |||
| 3420 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zSC5D10437\de-DE\WebCompanionInstaller.resources.dll | executable | |
MD5:6D31FF257169C7216C8EF0A89D1D2C1C | SHA256:076DE7430A997476FFB506AA31B8CA59A5F06FE82CBD1B752563CC037A3B602D | |||
| 1392 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verAC52.tmp | xml | |
MD5:CBD0581678FA40F0EDCBC7C59E0CAD10 | SHA256:159BD4343F344A08F6AF3B716B6FA679859C1BD1D7030D26FF5EF0255B86E1D9 | |||
| 3420 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zSC5D10437\fr-CA\WebCompanionInstaller.resources.dll | executable | |
MD5:B61FCD433F37FCF2B5B2ABCF775888E1 | SHA256:25B308729B23565F4B4A6A21931CBA07A6910F645DBCF90D04927C47A759A482 | |||
| 3420 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zSC5D10437\ja-JP\WebCompanionInstaller.resources.dll | executable | |
MD5:1E2ABC220B1A13150501462E0E031D53 | SHA256:6FE287EE1BD5D2B387A400913E3AFC5526BC5504294F30C6E0AE1A5968A6C052 | |||
| 1392 | iexplore.exe | C:\Users\admin\Downloads\WcInstaller.exe.t2vq8gz.partial:Zone.Identifier | text | |
MD5:FBCCF14D504B7B2DBCB5A5BDA75BD93B | SHA256:EACD09517CE90D34BA562171D15AC40D302F0E691B439F91BE1B6406E25F5913 | |||
| 3420 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zSC5D10437\en-US\WebCompanionInstaller.resources.dll | executable | |
MD5:A21DABEEE8DB587546D2707B900392E6 | SHA256:3F150074F1D3FFB9FDB622F088D50494C10061AFFF7C7850D9FDF4EC356FD1C5 | |||
| 3420 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zSC5D10437\it-IT\WebCompanionInstaller.resources.dll | executable | |
MD5:B78EBE3329120DEAD1827ECDC661A5FD | SHA256:D3878890C2825A2DF38B99B3002CCC79EA67150F7BD0DDE3885AD2F69B1CF4B8 | |||
| 2416 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\WcInstaller[1].exe | executable | |
MD5:2992447D74CB81AE8B2047B913C11C7D | SHA256:7A738EDF305F6BF95B1046D41FBDD8CAD18F2D32CB48C89375606429F7B8FC4D | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 304 | 2.16.100.178:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?c7ba49abb4fd7e2c | unknown | — | — | unknown |
— | — | GET | 304 | 2.16.100.178:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?1ae98d7f76faa131 | unknown | — | — | unknown |
2416 | iexplore.exe | GET | 200 | 104.17.8.52:80 | http://wcdownloadercdn.lavasoft.com/8.9.0.992/WcInstaller.exe | unknown | executable | 552 Kb | unknown |
— | — | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | binary | 471 b | unknown |
3624 | WebCompanionInstaller.exe | POST | 200 | 104.17.8.52:80 | http://flow.lavasoft.com/v1/event-stat-wc?Type=ProgressInstall&ProductID=wc&EventVersion=1 | unknown | binary | 29 b | unknown |
3624 | WebCompanionInstaller.exe | POST | 200 | 64.18.87.82:80 | http://wc-update-service.lavasoft.com/update.asmx | unknown | xml | 1.45 Kb | unknown |
1080 | svchost.exe | GET | 200 | 2.16.100.155:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?0754c686571bd23f | unknown | compressed | 65.2 Kb | unknown |
— | — | GET | 304 | 2.16.100.178:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?8fcaa0645b01cfef | unknown | — | — | unknown |
3624 | WebCompanionInstaller.exe | GET | 200 | 104.17.8.52:80 | http://wcdownloadercdn.lavasoft.com/7.0.2417.4248/WcInstaller.exe | unknown | executable | 494 Kb | unknown |
1392 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAxq6XzO1ZmDhpCgCp6lMhQ%3D | unknown | binary | 471 b | unknown |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
2416 | iexplore.exe | 104.17.8.52:80 | wcdownloadercdn.lavasoft.com | CLOUDFLARENET | — | shared |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1392 | iexplore.exe | 152.199.19.161:443 | r20swj13mr.microsoft.com | EDGECAST | US | whitelisted |
1392 | iexplore.exe | 2.16.100.178:80 | ctldl.windowsupdate.com | Akamai International B.V. | DE | whitelisted |
1392 | iexplore.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
3624 | WebCompanionInstaller.exe | 104.17.8.52:80 | wcdownloadercdn.lavasoft.com | CLOUDFLARENET | — | shared |
3624 | WebCompanionInstaller.exe | 64.18.87.82:80 | wc-update-service.lavasoft.com | MTO | CA | malicious |
1080 | svchost.exe | 2.16.100.155:80 | ctldl.windowsupdate.com | Akamai International B.V. | DE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
wcdownloadercdn.lavasoft.com |
| whitelisted |
r20swj13mr.microsoft.com |
| whitelisted |
iecvlist.microsoft.com |
| whitelisted |
ctldl.windowsupdate.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
flow.lavasoft.com |
| whitelisted |
wc-update-service.lavasoft.com |
| whitelisted |
ieonline.microsoft.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
www.msn.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2416 | iexplore.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
3624 | WebCompanionInstaller.exe | Possibly Unwanted Program Detected | ADWARE [ANY.RUN] Adaware Web Companion |
3624 | WebCompanionInstaller.exe | Potential Corporate Privacy Violation | AV POLICY HTTP request for .exe file with no User-Agent |
3624 | WebCompanionInstaller.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
3624 | WebCompanionInstaller.exe | Potentially Bad Traffic | ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download |
2540 | WebCompanionInstaller.exe | Possibly Unwanted Program Detected | ADWARE [ANY.RUN] Adaware Web Companion |
Process | Message |
|---|---|
WebCompanionInstaller.exe | Detecting windows culture
|
WebCompanionInstaller.exe | 1/31/2024 8:09:43 PM :-> Starting installer 8.9.0.992 with: .\WebCompanionInstaller.exe --prod, Run as admin: True
|
WebCompanionInstaller.exe | Detecting windows culture
|
WebCompanionInstaller.exe | 1/31/2024 8:09:51 PM :-> Starting installer 7.0.2417.4248 with: .\WebCompanionInstaller.exe --prod --nanouniqueid=1706731783401 --prod, Run as admin: True
|