default-browser-agent.exe threat report

MD5 f5a77424da760aaa1420422e021ea45d
Latest seen 2021-11-05 21:10:34 (4 years ago)
First seen 2021-11-05 21:10:34 (4 years ago)
Size 667 KB
Publisher Mozilla Foundation
Product Firefox Nightly

This report summarizes the file identity, detection status, publisher metadata, observed locations, and technical indicators for default-browser-agent.exe. ThreatInfo currently classifies this sample as Trojan.Sabsik.

GridinSoft Anti-Malware detection

GridinSoft already detects this file

The latest ThreatInfo record shows default-browser-agent.exe detected as Trojan.Sabsik. You can download GridinSoft Anti-Malware to scan the system and remove this detection if the file is present on your device.

Detection name
Trojan.Sabsik
Last analysis
2021-11-05 21:10:34 (4 years ago)
File hash
f5a77424da760aaa1420422e021ea45d
Download Anti-Malware

default-browser-agent.exe is a Windows file recorded in the ThreatInfo database. It is associated with Firefox Nightly. The reported company name is Mozilla Foundation. The current detection status is Trojan.Sabsik, based on the latest analysis from 2021-11-05 21:10:34 (4 years ago).

If default-browser-agent.exe appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Trojan.Sabsik.

Product Name: Firefox Nightly
Company Name: Mozilla Foundation
MD5: f5a77424da760aaa1420422e021ea45d
Size: 667 KB
First Published: 2021-11-05 21:10:34 (4 years ago)
Latest Published: 2021-11-05 21:10:34 (4 years ago)
Status: Trojan.Sabsik (on last analysis)
Analysis Date: 2021-11-05 21:10:34 (4 years ago)
default-browser-agent.exe detection screenshot

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

Signed By: Mozilla Corporation
Status: Valid

The signature on default-browser-agent.exe is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.

%appdata%\hvytube\.local-firefox\win64-95.0a1

ThreatInfo has observed default-browser-agent.exe in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

Windows 7 100.0%

The most common operating system signal for default-browser-agent.exe is Windows 7 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

default-browser-agent.exe is identified as pe for 64 systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 64
Image Base: 0x0000000140000000
Entry Address: 0x000584f0

PE Sections:

Name Size of data MD5
.text 414208 317fb32e6499ca8734b28e73242c61eb
.rdata 244224 e984b7005e88b8c6eb7f5b19d54ffc93
.data 512 200433f8f911a41ad35d48d6f7f8ba58
.pdata 10240 aed2c7f51fda88407cb6d8266a409437
.00cfg 512 b200bbfdf16b0a1f37fea27081b25696
.tls 512 1f354d76203061bfdd5a53dae48d5435
.rsrc 2560 4331136f95b718471e99ae2df6572c81
.reloc 2048 50f3f01bcb45fe5890615ab9e237473e

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

More information: