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update20150920jp.exe

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from download.promisec.com.
MD5:
baff390b4243a7120b66781fb5bdff68

SHA-1:
e894722abf418cb463fb6f2d74b5d182e92b9fed

SHA-256:
b8bc5bce375dca468992e1259b2784d28120138b49d5225ccb15a448f1eb97a5

Scanner detections:
1 / 68

Status:
Clean  (1 probable false positive detection)

Explanation:
This is mosty likely a false positive detection, the file is probably clean.

Analysis date:
2/25/2025 6:36:14 PM UTC  (today)

Scan engine
Detection
Engine version

Qihoo 360 Security
HEUR/QVM42.1.Malware.Gen
1.0.0.1015

File size:
3 MB (3,145,935 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\update20150920jp.exe

File PE Metadata
Compilation timestamp:
6/7/2009 12:41:59 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:00QdugyJe5OvZzU1IJd6QvWv8LLBUoQuHRTjflbFik3jTQXPK7vllPlgGPWX/jqE:7DJum6bv8Lv1flpikTTQ/2v5zeX/jTV7

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:
7.9841

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file update20150920jp.exe has been seen being distributed by the following URL.

http://download.promisec.com/Update20150920JP.exe

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