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builderbuzz.dll

The module builderbuzz.dll has been detected as a potentially unwanted program by 3 anti-malware scanners. It runs as a scheduled task under the Windows Task Scheduler triggered to execute each time a user logs in. The library is built using the Crossrider cross-browser extension toolkit. While the file utilizes the Crossrider framework and delivery services, it is not owned by Crossrider.
MD5:
7a97c0bb3329bf362f152763169bf48f

SHA-1:
c4d91c32fdfaf57ac48858088f29b79022ac1533

SHA-256:
bdb6dbf7c9243304c4906166aa19121a4f5e2079b4c0f99973dc89025dca1753

Scanner detections:
3 / 68

Status:
Potentially unwanted

Explanation:
The software may change the browser's home page and search provider settings as well as display advertisements.

Analysis date:
9/27/2026 10:03:53 AM UTC  (today)

Scan engine
Detection
Engine version

Malwarebytes
PUP.Optional.CrossRider
v2015.12.07.10

Qihoo 360 Security
HEUR/QVM28.0.Malware.Gen
1.0.0.1077

Reason Heuristics
Adware.Crossrider
16.2.29.15

File size:
26 KB (26,624 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\builder buzz\{1f8d5895-6b04-16a7-b2db-6c63746912df}\builderbuzz.dll

File PE Metadata
Compilation timestamp:
12/7/2015 4:31:23 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
768:MrL87f0qZZ/UgO8HA+13yQ/aAi6Vdr/VMq:Skf02Z/Ug1HAoJfVdrNb

Entry address:
0x10B0

Entry point:
8B, FF, 55, 8B, EC, 53, 8B, 5D, 08, 56, 8B, 75, 0C, 85, F6, 57, 8B, 7D, 10, 75, 09, 83, 3D, C8, 84, 00, 10, 00, EB, 26, 83, FE, 01, 74, 05, 83, FE, 02, 75, 22, A1, A0, 95, 00, 10, 85, C0, 74, 09, 57, 56, 53, FF, D0, 85, C0, 74, 0C, 57, 56, 53, E8, 0E, FF, FF, FF, 85, C0, 75, 04, 33, C0, EB, 4E, 57, 56, 53, E8, CF, 32, 00, 00, 83, FE, 01, 89, 45, 0C, 75, 0C, 85, C0, 75, 37, 57, 50, 53, E8, EA, FE, FF, FF, 85, F6, 74, 05, 83, FE, 03, 75, 26, 57, 56, 53, E8, D9, FE, FF, FF, 85, C0, 75, 03, 21, 45, 0C, 83, 7D...
 
[+]

Entropy:
6.0256

Code size:
13.5 KB (13,824 bytes)

Scheduled Task
Task name:
Builder Buzz

Trigger:
Logon (Runs on logon)


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