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firefoxhelper.dll

OOO Metabar

The module firefoxhelper.dll by OOO Metabar has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is installed within the Mozilla Firefox web browser as part of an addin/plugin.
Publisher:
OOO Metabar  (signed and verified)

MD5:
cc8110da05731bb160aee9239808f838

SHA-1:
ba56e2334be09b9a705d6472ae4197c34f1e691f

SHA-256:
6615f06717c0bc48f588a4632c96d64194bb95001c79f46638fa7d6c50bf57fe

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:
4/19/2024 1:50:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OOOMetabar (M)
16.2.15.3

File size:
50.3 KB (51,496 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\roaming\mozilla\firefox\profiles\{user}.default\extensions\metabar_toolbar327419@metabar.ru\components\firefoxhelper.dll

Digital Signature
Signed by:
OOO Metabar

Authority:
Thawte, Inc.

Valid from:
4/7/2013 4:00:00 AM

Valid to:
6/7/2014 3:59:59 AM

Subject:
CN=OOO Metabar, OU=IT Department, O=OOO Metabar, L=Moscow, S=Moscow, C=RU

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
4FE3D2281102359C9EAEC3EB2E41300C

File PE Metadata
Compilation timestamp:
2/21/2012 4:53:47 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
768:fBfHiKOJCdColXnjL0hNXkkfh5HSPBnDED8+/1YFnd+cvnD:fBf7nj4tkUUtAgnIcvnD

Entry address:
0x171C

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 0D, 15, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, 7D, 08, 00, 74, 2D, FF, 75, 08, 6A, 00, FF, 35, 38, C0, 00, 10, FF, 15, 34, 80, 00, 10, 85, C0, 75, 18, 56, E8, B1, 15, 00, 00, 8B, F0, FF, 15, 30, 80, 00, 10, 50, E8, 61, 15, 00, 00, 59, 89, 06, 5E, 5D, C3, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, C0, BC, 00, 10, 89, 0D, BC, BC, 00, 10, 89, 15, B8, BC, 00, 10, 89, 1D, B4, BC, 00, 10, 89...
 
[+]

Code size:
25 KB (25,600 bytes)

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