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questbrowse126.exe

QuestBrowse.com

The application questbrowse126.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. It runs as a separate (within the context of its own process) windows Service named “QuestBrowse Service”.
Publisher:
QuestBrowse.com  (signed and verified)

MD5:
8725fe80acf612ac8f5a545c0b10ded9

SHA-1:
f098a5148f779785f2015d3f5fead54783a1181c

SHA-256:
5459d0118e34c81ebc92b3b029cddb36642a642b1f3aaa4af98eb0f87755e360

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:
4/26/2024 12:21:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.QuestBrowse (M)
16.2.6.7

File size:
48.3 KB (49,424 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\ProgramData\questbrwsearch\questbrowse126.exe

Digital Signature
Signed by:
QuestBrowse.com

Authority:
The USERTRUST Network

Valid from:
7/6/2010 8:00:00 PM

Valid to:
7/6/2012 7:59:59 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:
2/25/2011 2:50:32 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.10

CTPH (ssdeep):
768:wl8VfodbBEm8u1PvKWvd0VeNgTZjQzDIkMLfWAhT5Dh3LJc7:Pf6bBbhzvkTZjaDfqDNG7

Entry address:
0x36FA

Entry point:
6A, 60, 68, 68, 81, 40, 00, E8, 22, 18, 00, 00, BF, 94, 00, 00, 00, 8B, C7, E8, 6E, 19, 00, 00, 89, 65, E8, 8B, F4, 89, 3E, 56, FF, 15, 28, 80, 40, 00, 8B, 4E, 10, 89, 0D, F4, A2, 40, 00, 8B, 46, 04, A3, 00, A3, 40, 00, 8B, 56, 08, 89, 15, 04, A3, 40, 00, 8B, 76, 0C, 81, E6, FF, 7F, 00, 00, 89, 35, F8, A2, 40, 00, 83, F9, 02, 74, 0C, 81, CE, 00, 80, 00, 00, 89, 35, F8, A2, 40, 00, C1, E0, 08, 03, C2, A3, FC, A2, 40, 00, 33, F6, 56, 8B, 3D, 1C, 80, 40, 00, FF, D7, 66, 81, 38, 4D, 5A, 75, 1F, 8B, 48, 3C, 03...
 
[+]

Entropy:
5.7785

Developed / compiled with:
Microsoft Visual C++ v7.0

Code size:
28 KB (28,672 bytes)

Service
Display name:
QuestBrowse Service

Description:
Update and control for QuestBrowse

Type:
Win32OwnProcess


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