| File name: | PDFSparkOnSoft_683918.exe |
| Full analysis: | https://app.any.run/tasks/76cba640-dabd-420e-bda4-1ae186bb1fe7 |
| 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: | October 27, 2025, 20:19:47 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 11 sections |
| MD5: | 8978D3F6DF743C76B5127755A3BC78A6 |
| SHA1: | 733E6BD2BBF753DB8E7DF1AEE7BF1824301B4833 |
| SHA256: | 717C2728B957A7FAECB7D1AC057BB03053F6397BBC369092C493DAF6D45DC67C |
| SSDEEP: | 98304:sLVIF8P3n1BLHxtD59KEKjSvDXMY5lCh8AKmawhO3SSIL4qECo6xjaVHE33bsjEE:g/RMRLCiRMJxx |
| .exe | | | Inno Setup installer (67.7) |
|---|---|---|
| .exe | | | Win32 EXE PECompact compressed (generic) (25.6) |
| .exe | | | Win32 Executable (generic) (2.7) |
| .exe | | | Win16/32 Executable Delphi generic (1.2) |
| .exe | | | Generic Win/DOS Executable (1.2) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2025:05:03 14:45:36+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 704512 |
| InitializedDataSize: | 466944 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xacfe0 |
| OSVersion: | 6.1 |
| ImageVersion: | - |
| SubsystemVersion: | 6.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | This installation was built with Inno Setup. |
| CompanyName: | Mainstay Crypto LLC |
| FileDescription: | PDF_Spark Setup |
| FileVersion: | 1.0.0.0 |
| LegalCopyright: | Mainstay Crypto LLC 2025 |
| OriginalFileName: | |
| ProductName: | PDF_Spark |
| ProductVersion: | 1.0.0.0 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1312 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6412 | "C:\Users\admin\AppData\Local\Programs\PDF_Spark\PDFSpark.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\admin\AppData\Roaming\pdfspark-nativefier-41608d" --mojo-platform-channel-handle=2056 --field-trial-handle=1684,i,4273930577381349610,6182149997990227209,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8 | C:\Users\admin\AppData\Local\Programs\PDF_Spark\PDFSpark.exe | PDFSpark.exe | ||||||||||||
User: admin Company: Jia Hao Integrity Level: MEDIUM Description: PDFSpark Version: 1.0.0.5 Modules
| |||||||||||||||
| 7432 | "C:\Users\admin\AppData\Local\Temp\PDFSparkOnSoft_683918.exe" | C:\Users\admin\AppData\Local\Temp\PDFSparkOnSoft_683918.exe | — | explorer.exe | |||||||||||
User: admin Company: Mainstay Crypto LLC Integrity Level: MEDIUM Description: PDF_Spark Setup Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 7456 | "C:\Users\admin\AppData\Local\Temp\is-Q4VLJ.tmp\PDFSparkOnSoft_683918.tmp" /SL5="$80330,9359100,1172480,C:\Users\admin\AppData\Local\Temp\PDFSparkOnSoft_683918.exe" | C:\Users\admin\AppData\Local\Temp\is-Q4VLJ.tmp\PDFSparkOnSoft_683918.tmp | PDFSparkOnSoft_683918.exe | ||||||||||||
User: admin Company: Mainstay Crypto LLC Integrity Level: MEDIUM Description: Setup/Uninstall Exit code: 0 Version: 51.1052.0.0 Modules
| |||||||||||||||
| 7716 | "C:\Users\admin\AppData\Local\Programs\PDF_Spark\PDFSpark.exe" | C:\Users\admin\AppData\Local\Programs\PDF_Spark\PDFSpark.exe | — | PDFSparkOnSoft_683918.tmp | |||||||||||
User: admin Company: Jia Hao Integrity Level: MEDIUM Description: PDFSpark Version: 1.0.0.5 Modules
| |||||||||||||||
| 7728 | "C:\Users\admin\AppData\Local\Programs\PDF_Spark\PDFSpark.exe" --type=gpu-process --user-data-dir="C:\Users\admin\AppData\Roaming\pdfspark-nativefier-41608d" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1660 --field-trial-handle=1684,i,4273930577381349610,6182149997990227209,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2 | C:\Users\admin\AppData\Local\Programs\PDF_Spark\PDFSpark.exe | — | PDFSpark.exe | |||||||||||
User: admin Company: Jia Hao Integrity Level: LOW Description: PDFSpark Version: 1.0.0.5 Modules
| |||||||||||||||
| 7864 | "C:\Users\admin\AppData\Local\Programs\PDF_Spark\PDFSpark.exe" --type=renderer --user-data-dir="C:\Users\admin\AppData\Roaming\pdfspark-nativefier-41608d" --app-user-model-id=pdfspark-nativefier-41608d --app-path="C:\Users\admin\AppData\Local\Programs\PDF_Spark\resources\app" --no-sandbox --no-zygote --lang=en-US --device-scale-factor=1 --num-raster-threads=3 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2440 --field-trial-handle=1684,i,4273930577381349610,6182149997990227209,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1 | C:\Users\admin\AppData\Local\Programs\PDF_Spark\PDFSpark.exe | — | PDFSpark.exe | |||||||||||
User: admin Company: Jia Hao Integrity Level: MEDIUM Description: PDFSpark Version: 1.0.0.5 Modules
| |||||||||||||||
| 8164 | "C:\Users\admin\AppData\Local\Programs\PDF_Spark\PDFSpark.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.3636 --user-data-dir="C:\Users\admin\AppData\Roaming\pdfspark-nativefier-41608d" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3324 --field-trial-handle=1684,i,4273930577381349610,6182149997990227209,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2 | C:\Users\admin\AppData\Local\Programs\PDF_Spark\PDFSpark.exe | — | PDFSpark.exe | |||||||||||
User: admin Company: Jia Hao Integrity Level: MEDIUM Description: PDFSpark Exit code: 0 Version: 1.0.0.5 Modules
| |||||||||||||||
| (PID) Process: | (7456) PDFSparkOnSoft_683918.tmp | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | Owner |
Value: 201D00005BD0D70D7F47DC01 | |||
| (PID) Process: | (7456) PDFSparkOnSoft_683918.tmp | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | SessionHash |
Value: 4465BA25DEA8902BBECFEC446A2EB4E94D1BE0F1027C688CE7C3725296A3F0BE | |||
| (PID) Process: | (7456) PDFSparkOnSoft_683918.tmp | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\RestartManager\Session0000 |
| Operation: | write | Name: | Sequence |
Value: 1 | |||
| (PID) Process: | (7456) PDFSparkOnSoft_683918.tmp | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PDF_Spark_is1 |
| Operation: | write | Name: | Inno Setup: Setup Version |
Value: 6.4.3 | |||
| (PID) Process: | (7456) PDFSparkOnSoft_683918.tmp | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PDF_Spark_is1 |
| Operation: | write | Name: | Inno Setup: App Path |
Value: C:\Users\admin\AppData\Local\Programs\PDF_Spark | |||
| (PID) Process: | (7456) PDFSparkOnSoft_683918.tmp | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PDF_Spark_is1 |
| Operation: | write | Name: | InstallLocation |
Value: C:\Users\admin\AppData\Local\Programs\PDF_Spark\ | |||
| (PID) Process: | (7456) PDFSparkOnSoft_683918.tmp | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PDF_Spark_is1 |
| Operation: | write | Name: | Inno Setup: Icon Group |
Value: (Default) | |||
| (PID) Process: | (7456) PDFSparkOnSoft_683918.tmp | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PDF_Spark_is1 |
| Operation: | write | Name: | Inno Setup: User |
Value: admin | |||
| (PID) Process: | (7456) PDFSparkOnSoft_683918.tmp | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PDF_Spark_is1 |
| Operation: | write | Name: | Inno Setup: Selected Tasks |
Value: desktopicon | |||
| (PID) Process: | (7456) PDFSparkOnSoft_683918.tmp | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PDF_Spark_is1 |
| Operation: | write | Name: | Inno Setup: Deselected Tasks |
Value: | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7456 | PDFSparkOnSoft_683918.tmp | C:\Users\admin\AppData\Local\Temp\is-UMGA6.tmp\is-RT4K5.tmp | — | |
MD5:— | SHA256:— | |||
| 7456 | PDFSparkOnSoft_683918.tmp | C:\Users\admin\AppData\Local\Temp\is-UMGA6.tmp\PDFSparkFiles.7z | — | |
MD5:— | SHA256:— | |||
| 7456 | PDFSparkOnSoft_683918.tmp | C:\Users\admin\AppData\Local\Programs\PDF_Spark\is-HKSHF.tmp | — | |
MD5:— | SHA256:— | |||
| 7456 | PDFSparkOnSoft_683918.tmp | C:\Users\admin\AppData\Local\Programs\PDF_Spark\LICENSES.chromium.html | — | |
MD5:— | SHA256:— | |||
| 7456 | PDFSparkOnSoft_683918.tmp | C:\Users\admin\AppData\Local\Temp\is-UMGA6.tmp\_isetup\_setup64.tmp | binary | |
MD5:E4211D6D009757C078A9FAC7FF4F03D4 | SHA256:388A796580234EFC95F3B1C70AD4CB44BFDDC7BA0F9203BF4902B9929B136F95 | |||
| 7456 | PDFSparkOnSoft_683918.tmp | C:\Users\admin\AppData\Local\Temp\is-UMGA6.tmp\turbojpeg.dll | executable | |
MD5:C48074304A3D18DC7C197EC466427E03 | SHA256:09109DAF67D7A056CEC5C09CE3EAC1AA2999B613E297C56BD5176AFDA427E624 | |||
| 7456 | PDFSparkOnSoft_683918.tmp | C:\Users\admin\AppData\Local\Programs\PDF_Spark\is-HAQH4.tmp | image | |
MD5:F54BD60198E6A27BDF18B2AECB6954F2 | SHA256:D074A6B6095580BC4D87A28949FFE6E4E1634EC48C742CADCFE2A3BF20995757 | |||
| 7456 | PDFSparkOnSoft_683918.tmp | C:\Users\admin\AppData\Local\Programs\PDF_Spark\chrome_100_percent.pak | binary | |
MD5:0CF9DE69DCFD8227665E08C644B9499C | SHA256:D2C299095DBBD3A3CB2B4639E5B3BD389C691397FFD1A681E586F2CFE0E2AB88 | |||
| 7456 | PDFSparkOnSoft_683918.tmp | C:\Users\admin\AppData\Local\Programs\PDF_Spark\is-494HK.tmp | binary | |
MD5:0CF9DE69DCFD8227665E08C644B9499C | SHA256:D2C299095DBBD3A3CB2B4639E5B3BD389C691397FFD1A681E586F2CFE0E2AB88 | |||
| 7456 | PDFSparkOnSoft_683918.tmp | C:\Users\admin\AppData\Local\Programs\PDF_Spark\is-0Q2J9.tmp | executable | |
MD5:FB6227F1DC3D4E7FE853FCE7111876FD | SHA256:BC431CCBEB4E6000065B863B79BAF6CE1D4051933DA942232EFA62213920B674 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5376 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | DE | binary | 471 b | whitelisted |
8148 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.3.crl | QA | binary | 813 b | whitelisted |
8148 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.3.crl | QA | binary | 401 b | whitelisted |
8148 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Time-Stamp%20PCA%202010(1).crl | QA | binary | 814 b | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
5376 | svchost.exe | 20.190.160.66:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1036 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5596 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
7456 | PDFSparkOnSoft_683918.tmp | 104.26.3.176:443 | appsecuredata.com | CLOUDFLARENET | US | unknown |
5376 | svchost.exe | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
3440 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
5376 | svchost.exe | 40.126.32.133:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5596 | MoUsoCoreWorker.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
login.live.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
appsecuredata.com |
| unknown |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
pdfsparkcomponent.s3.us-east-2.amazonaws.com |
| unknown |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
— | — | Unknown Traffic | ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW) |
— | — | Possibly Unwanted Program Detected | ADWARE [ANY.RUN] InnoSetup Installer |