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uninstall.exe

QuestBrowse.com

The application uninstall.exe by QuestBrowse.com has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This is the uninstaller utility registered in the Windows Control Panel for the program QuestBrowse 1.0 build 147 powered by FIRST SEARCHBAR.
Publisher:
QuestBrowse.com  (signed and verified)

MD5:
ed790d3f9cef4f0b75d90a5763254579

SHA-1:
017e5a16159b1c4d544c2843fa743f8a15734828

SHA-256:
3fc98544861a6f0d578723102e7e34bdd997522df4e831491d17d69f4df2af2d

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/24/2024 12:01:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.QuestBrowse.Installer (M)
16.2.4.23

File size:
83.3 KB (85,264 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\questbrwsearch\uninstall.exe

Digital Signature
Signed by:
QuestBrowse.com

Authority:
The USERTRUST Network

Valid from:
7/6/2010 7:00:00 PM

Valid to:
7/6/2012 6:59:59 PM

Subject:
CN=QuestBrowse.com, O=QuestBrowse.com, STREET=2141 Rosecrans Ave, STREET=Suite 2020, L=El Segundo, S=CA, PostalCode=90245, C=US

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
00E4373D3806C6A390387CD443CAFF15A0

File PE Metadata
Compilation timestamp:
2/17/2007 6:48:48 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:WEkjY1zy214Qay0DGkJ7qAELVigJRmDcpNJ/dhYqqLxJ2/DDj:9kjAJ4dDGkJ+AI0CzJ/dOq5/D

Entry address:
0x3154

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 14, 40, 92, 40, 00, 33, F6, C6, 44, 24, 10, 20, FF, 15, 30, 70, 40, 00, 53, FF, 15, 74, 72, 40, 00, A3, F0, F4, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 60, 98, 42, 00, FF, 15, 5C, 71, 40, 00, 68, 30, 92, 40, 00, 68, 40, EC, 42, 00, E8, 31, 28, 00, 00, FF, 15, B4, 70, 40, 00, BF, 00, 50, 43, 00, 50, 57, E8, 1F, 28, 00, 00, 53, FF, 15, 0C, 71, 40, 00, 80, 3D, 00, 50, 43, 00, 22, A3, 40, F4, 42, 00, 8B, C7, 75, 0A...
 
[+]

Entropy:
7.3017

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

Program Uninstaller
Program name:
QuestBrowse 1.0 build 147 powered by FIRST SEARCHBAR

Uninstall string:
C:\Program Files (x86)\QuestBrwSearch\uninstall.exe _?=C:\Program Files (x86)\QuestBrwSearch


Remove uninstall.exe - Powered by Reason Core Security
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