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gbstub.exe

GBStub

IncrediMail, Inc.

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from gbstorage.stgbssint.com.
Publisher:
IncrediMail, Inc.  (signed and verified)

Product:
GBStub

Version:
1.0.1.7

MD5:
cafc44bc72d956bacdce6a9b4a0a955b

SHA-1:
125efca28140d1e0c7c93eb49b1c89ff160343e0

SHA-256:
61b404c5affea7189d5fdfb70539cbef442e824b9cb4085d0d55ca48d9212ebe

Scanner detections:
4 / 68

Status:
Inconclusive  (not enough data for an accurate detection)

Analysis date:
12/25/2024 1:03:31 AM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
W32.HfsAdware
1.3.0.6379

ESET NOD32
Win32/Conduit.SearchProtect.N potentially unwanted application
7.0.302.0

IKARUS anti.virus
PUA.Conduit.SearchProtect
t3scan.1.8.9.0

Panda Antivirus
Trj/Chgt.O
15.05.17.12

File size:
226.7 KB (232,096 bytes)

Product version:
1.0.1.7

Copyright:
© 2014 IncrediMail, Inc.

Original file name:
GBStub

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\gbstub.exe

Digital Signature
Signed by:
IncrediMail, Inc.

Authority:
Symantec Corporation

Valid from:
3/3/2015 6:00:00 PM

Valid to:
3/4/2017 5:59:59 PM

Subject:
CN="IncrediMail, Inc.", OU=GuardBox, O="IncrediMail, Inc.", L=Redmond, S=Washington, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
0A94D8A33B5A91604406868292AF29E7

File PE Metadata
Compilation timestamp:
9/26/2011 8:21:33 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:SEUXaANIi/zl9lXi5P+KjXP/kaI1DlZPhGkJCkH:SEVAN1l9JiFzP/PI1R9hGaCy

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.8072

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file gbstub.exe has been seen being distributed by the following URL.

http://gbstorage.stgbssint.com/stub/.../GBStub.exe

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