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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. This file is typically installed with the program searchult by Navigation. While running, it connects to the Internet address anubisnetworks.com on port 80 using the HTTP protocol.
Publisher:
Navigation Co., Ltd.  (signed by Wang Nan)

Product:
Navigation

Description:
Net Service Event Handler

Version:
2.0.1.8643

MD5:
80b74bae197655c101fcfa99be3e1f16

SHA-1:
bff0c3a3c1940f7e49bcc149b55ec4e2bed4ffdc

SHA-256:
6cf543c63b5c248d86fec97fa501262b511b503a1757841158ed35a0f4e6e69e

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:
12/25/2024 12:23:46 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.WangNan
15.4.14.13

File size:
922.1 KB (944,184 bytes)

Product version:
2.0.1.8643

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:
4/7/2015 4:10:44 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
24576:f8+iWvgIyJpJSH/cwFnKZqWA225YfRns5Y:f8+sNI/bFKZqn+q5Y

Entry address:
0x3106C

Entry point:
E8, EE, FB, 00, 00, E9, 7F, FE, FF, FF, E8, E1, A4, 00, 00, 69, 48, 14, FD, 43, 03, 00, 81, C1, C3, 9E, 26, 00, 89, 48, 14, C1, E9, 10, 81, E1, FF, 7F, 00, 00, 8B, C1, C3, 55, 8B, EC, E8, BD, A4, 00, 00, 8B, 4D, 08, 89, 48, 14, 5D, C3, 55, 8B, EC, 83, 3D, 60, F2, 49, 00, 00, 75, 75, 8B, 55, 08, 85, D2, 75, 17, E8, 1F, 28, 00, 00, C7, 00, 16, 00, 00, 00, E8, 6D, 68, 00, 00, B8, FF, FF, FF, 7F, 5D, C3, 8B, 4D, 0C, 85, C9, 74, E2, 53, 56, 57, 6A, 41, 5F, 6A, 5A, 2B, D1, 5B, 0F, B7, 04, 0A, 66, 3B, C7, 72, 0D...
 
[+]

Code size:
518.5 KB (530,944 bytes)

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

searchult  by Navigation
About 9% of users remove it
 
Powered by Should I Remove It?

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to ec2-52-201-213-112.compute-1.amazonaws.com  (52.201.213.112:80)

TCP (HTTP):
Connects to anubisnetworks.com  (195.22.26.248:80)

TCP (HTTP):
Connects to ec2-52-91-52-229.compute-1.amazonaws.com  (52.91.52.229:80)

TCP (HTTP):
Connects to smartbrowsebr-mx.terra.com  (208.70.188.15:80)

TCP (HTTP):
Connects to ip-50-63-202-46.ip.secureserver.net  (50.63.202.46:80)

TCP (HTTP):
Connects to ec2-54-207-86-78.sa-east-1.compute.amazonaws.com  (54.207.86.78:80)

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