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ntsvc.exe

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Wang Nan

The application ntsvc.exe, “Net Service Event Handler” by Wang Nan 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 “Net Service Event Handler”. This file is typically installed with the program searchult by Navigation.
Publisher:
Navigation Co., Ltd.  (signed by Wang Nan)

Product:
Navigation

Description:
Net Service Event Handler

Version:
2.0.1.9022

MD5:
bb7948f74d11aed48746a0b43c97a40c

SHA-1:
20eef3c0c118cba58f0067209b36570a51abe364

SHA-256:
6c4a7cd6cda033ad5df0ac9f83478baec1b884151e380045c9b66a8a5483c0ca

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:
12/26/2024 10:52:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WangNan (M)
16.4.5.22

File size:
379 KB (388,072 bytes)

Product version:
2.0.1.9022

Copyright:
Navigation Copyright (C) 2013

Original file name:
ntsvc.exe

File type:
Executable application (Win32 EXE)

Language:
Chinese

Common path:
C:\users\{user}\appdata\roaming\ntsvc\ntsvc.exe

Digital Signature
Signed by:
Wang Nan

Authority:
WoSign CA Limited

Valid from:
7/22/2014 3:49:09 AM

Valid to:
7/22/2015 3:49:09 AM

Subject:
CN=Wang Nan, E=wangnan@oasgames.com, L=Luquan, S=Hebei, C=CN

Issuer:
CN=WoSign Class 2 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
2D2175D57FAB801CD9A1A92DE079F0EA

File PE Metadata
Compilation timestamp:
5/15/2015 4:30:59 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:/todtOviU8G3EMcRt/cT7kNLc7uK0PzdA9o9B6J08o:FodIv/zcRt/cTMc6hPzdoD08o

Entry address:
0x2B9CB

Entry point:
E8, 08, C9, 00, 00, E9, 7F, FE, FF, FF, FF, 25, E8, 80, 44, 00, CC, CC, CC, CC, CC, 8B, 44, 24, 0C, 53, 85, C0, 74, 52, 8B, 54, 24, 08, 33, DB, 8A, 5C, 24, 0C, F7, C2, 03, 00, 00, 00, 74, 16, 8A, 0A, 83, C2, 01, 32, CB, 74, 72, 83, E8, 01, 74, 32, F7, C2, 03, 00, 00, 00, 75, EA, 83, E8, 04, 72, 12, 57, 8B, FB, C1, E3, 08, 03, DF, 8B, FB, C1, E3, 10, 03, DF, EB, 1B, 5F, 83, C0, 04, 74, 0E, 8A, 0A, 83, C2, 01, 32, CB, 74, 40, 83, E8, 01, 75, F2, 5B, C3, 83, E8, 04, 72, E5, 8B, 0A, 33, CB, BF, FF, FE, FE, 7E...
 
[+]

Code size:
282.5 KB (289,280 bytes)

Service
Display name:
Net Service Event Handler

Service name:
Sed

Description:
Network service event handler for system.

Type:
Win32OwnProcess

Group:
Event log


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

searchult  by Navigation
About 9% of users remove it
 
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