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TSvr.exe

svr.exe

Wenchao Zhang

The application TSvr.exe by Wenchao Zhang has been detected as a potentially unwanted program 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 “IhPul”. While running, it connects to the Internet address server-54-230-141-197.sfo5.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
tsvr.com  (signed by Wenchao Zhang)

Product:
svr.exe

Description:
tsvr.com

Version:
3.0.0.27

MD5:
805e897e2c16ec3bdb2c71c39d018ea8

SHA-1:
1079cd4bd66c81a1d5dc4b5900ac748a65e2b502

SHA-256:
79f91ec2e5c4de0327d456740bd8fc1ed8c9addec1972b79fae869f331d6d29f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
6/25/2025 3:17:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex.WenchaoZ.Meta (M)
16.6.27.9

File size:
356.2 KB (364,752 bytes)

Product version:
3.0.0.27

Copyright:
Copyright (C) TSVR Since 2015

Original file name:
TSvr.exe

File type:
Executable application (Win32 EXE)

Language:
Chinese (Simplified, PRC)

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

Digital Signature
Signed by:
Wenchao Zhang

Authority:
thawte, Inc.

Valid from:
6/12/2016 5:30:00 AM

Valid to:
6/9/2017 5:29:59 AM

Subject:
CN=Wenchao Zhang, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
25A29CA981B9F0E7DAB9120B6368C454

File PE Metadata
Compilation timestamp:
6/27/2016 12:06:37 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:+iQWM5gGENV8EO7k+x7+bqpuilP+fo83c3lkKUtB2piz:+ipM5gTE752qpuilPn6ClkH8

Entry address:
0x3BCB3

Entry point:
E8, D9, 08, 00, 00, E9, 49, FE, FF, FF, CC, FF, 25, 98, D2, 43, 00, FF, 25, 9C, D2, 43, 00, FF, 25, A0, D2, 43, 00, FF, 25, A4, D2, 43, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, B9, 01, 00, 00, 00, F2, 0F, 10, 2D, B8, 4F, 44, 00, EB, 1C, B9, 02, 00, 00, 00, F2, 0F, 10, 2D, C0, 4F, 44, 00, EB, 0D, B9, 03, 00, 00, 00, F2, 0F, 10, 2D, B8, 4F, 44, 00, 66, 0F, 7E, C0, 25, FF, FF, FF, 7F, 3D, 00, 00, 80, 7F, 0F, 83, 4C, 01, 00, 00, F3, 0F, 5A, C0...
 
[+]

Entropy:
6.4684

Code size:
240 KB (245,760 bytes)

Service
Display name:
IhPul

Type:
Win32OwnProcess


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

TCP (HTTP):
Connects to server-54-239-132-12.sfo9.r.cloudfront.net  (54.239.132.12:80)

TCP (HTTP):
Connects to server-54-230-81-57.mia50.r.cloudfront.net  (54.230.81.57:80)

TCP (HTTP):
Connects to server-54-230-141-80.sfo5.r.cloudfront.net  (54.230.141.80:80)

TCP (HTTP):
Connects to server-54-230-141-40.sfo5.r.cloudfront.net  (54.230.141.40:80)

TCP (HTTP):
Connects to server-54-230-141-197.sfo5.r.cloudfront.net  (54.230.141.197:80)

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