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startools_multiup_20110801_update.exe

ebiznetworks

The application startools_multiup_20110801_update.exe by ebiznetworks 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. The file has been seen being downloaded from down.startools.co.kr.
Publisher:
ebiznetworks  (signed and verified)

MD5:
d21f78e0929d9414bf04b6292572525c

SHA-1:
4d23811a0927534ac6ad8dcf21bb72b0d3eec115

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:
4/23/2024 7:41:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ebiznetw.Installer (M)
16.6.3.16

File size:
455.6 KB (466,560 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\startools_multiup_20110801_update.exe

Digital Signature
Signed by:
ebiznetworks

Authority:
eBiz Networks Ltd

Valid from:
3/18/2010 9:00:00 AM

Valid to:
3/18/2012 8:59:59 AM

Subject:
CN=ebiznetworks, OU=Development Team, O=ebiznetworks, STREET="143~144, Samseong 2-dong, Gangnam-gu, Seoul, Korea", STREET=144-4 Es-Tower 6th, L=Seoul, S=Gangnam-gu, PostalCode=135-877, C=KR

Issuer:
CN=eBiz Networks Certificate Services, O=eBiz Networks Ltd, C=KR

Serial number:
6152BD7525AFF9EA063101CFAA5C6A80

File PE Metadata
Compilation timestamp:
12/6/2009 7:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:7e34wZW3uH6YATzTglx36rFFBJucvyy7mX4nN7iC9yEisflH1bibP9PCNN0O+y6G:huaYSzTA36bd9BiivlH1iJZZdYw1h4L

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9321

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file startools_multiup_20110801_update.exe has been seen being distributed by the following URL.

http://down.startools.co.kr/startools/app/.../startools_multiup_20110801_update.exe

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