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nsavs.exe

NWAdvSvc System Application

DivineMedia Inc.

The application nsavs.exe by DivineMedia has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “NWAdvSvc System Application”. This file is typically installed with the program Windows NSAdvance Assist by NewsWide.
Publisher:
NewsWideAdvance  (signed by DivineMedia Inc.)

Product:
NWAdvSvc System Application

Version:
2, 0, 0, 1

MD5:
23e88fb637d162a81c9d7cb9a04cac13

SHA-1:
0b4c532cd7c184aeb6da47857df7a9397a4b52ef

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:
5/18/2024 7:58:19 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.DivineMe (M)
16.7.8.12

File size:
129.2 KB (132,288 bytes)

Product version:
2, 0, 0, 1

Copyright:
Copyright (c) NewsWide. All rights reserved.

Original file name:
nsavs.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\nsadvance\nsavs.exe

Digital Signature
Signed by:
DivineMedia Inc.

Authority:
Thawte, Inc.

Valid from:
12/14/2011 9:00:00 AM

Valid to:
12/14/2012 8:59:59 AM

Subject:
CN=DivineMedia Inc., OU=Planning Dept, O=DivineMedia Inc., L=Seodaemun-gu, S=Seoul, C=KR

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

Serial number:
75E01A79B0F42738A2368AB6D8FE0FBB

File PE Metadata
Compilation timestamp:
10/9/2012 8:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

CTPH (ssdeep):
3072:+pyLTVd+VKQO3cPI4FHoRHe3khe4Vc1c9NNLbF:0yLPa2cPvoVe323ocHNh

Entry address:
0x4ADB0

Entry point:
60, BE, 00, D0, 42, 00, 8D, BE, 00, 40, FD, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.8872

Packer / compiler:
UPX 2.90LZMA

Code size:
120 KB (122,880 bytes)

Service
Display name:
NWAdvSvc System Application

Service name:
NWAdvSvc Manager

Description:
NWAdvSvc system to maintain a seamless service is an application for a significant update.

Type:
Win32OwnProcess


The file nsavs.exe has been discovered within the following program.

Windows NSAdvance Assist  by NewsWide
www.newswide.net
About 2% of users remove it
 
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