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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-52-85-221-29.cdg50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Wenchao Zhang  (signed and verified)

Product:
svr.exe

Version:
3.0.0.51

MD5:
a9e11205d3f53c284b28357eb77a6574

SHA-1:
95c8c7b6845d570fd0ccfbab6351cc2f17ad9485

SHA-256:
7f7e3f9eda326522d63dcbd1dca7d3138e8c0f64ce473c0106ee4eec09dedfb9

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/7/2024 8:39:31 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex.WenchaoZ.Meta (M)
16.7.7.8

File size:
464.7 KB (475,856 bytes)

Product version:
3.0.0.51

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:
7/5/2016 7:00:00 AM

Valid to:
6/9/2017 6:59:59 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:
6505277354865CA06DDDD08CAB080886

File PE Metadata
Compilation timestamp:
7/7/2016 8:56:33 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:qhkjuT878vyIzUgboMVU5HR1qNFTlI+F9b9:q7Ti8vuMVU5HmNFTlzF9b9

Entry address:
0x51153

Entry point:
E8, CC, 09, 00, 00, E9, 03, FE, FF, FF, CC, FF, 25, F0, 43, 45, 00, FF, 25, F4, 43, 45, 00, FF, 25, F8, 43, 45, 00, FF, 25, FC, 43, 45, 00, FF, 25, 00, 44, 45, 00, FF, 25, 04, 44, 45, 00, FF, 25, 08, 44, 45, 00, FF, 25, 0C, 44, 45, 00, FF, 25, 10, 44, 45, 00, FF, 25, 14, 44, 45, 00, FF, 25, 18, 44, 45, 00, FF, 25, 1C, 44, 45, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, FF, 25, 20, 44, 45, 00, FF, 25, 24, 44, 45, 00, FF, 25, 28, 44, 45, 00, FF, 25, 2C, 44, 45, 00, FF, 25, 30, 44, 45, 00, FF, 25, 34, 44, 45...
 
[+]

Entropy:
6.4881

Code size:
330.5 KB (338,432 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-54-192-37-237.jfk1.r.cloudfront.net  (54.192.37.237:80)

TCP (HTTP):
Connects to server-54-192-3-234.lhr5.r.cloudfront.net  (54.192.3.234:80)

TCP (HTTP):
Connects to server-54-192-3-231.lhr5.r.cloudfront.net  (54.192.3.231:80)

TCP (HTTP):
Connects to server-54-192-37-231.jfk1.r.cloudfront.net  (54.192.37.231:80)

TCP (HTTP):
Connects to server-52-84-25-186.sea32.r.cloudfront.net  (52.84.25.186:80)

TCP (HTTP):
Connects to server-52-84-25-161.sea32.r.cloudfront.net  (52.84.25.161:80)

TCP (HTTP):
Connects to server-54-192-3-30.lhr5.r.cloudfront.net  (54.192.3.30:80)

TCP (HTTP):
Connects to server-54-192-3-185.lhr5.r.cloudfront.net  (54.192.3.185:80)

TCP (HTTP):
Connects to server-54-230-187-236.cdg51.r.cloudfront.net  (54.230.187.236:80)

TCP (HTTP):
Connects to server-54-230-187-142.cdg51.r.cloudfront.net  (54.230.187.142:80)

TCP (HTTP):
Connects to server-52-84-246-181.sfo20.r.cloudfront.net  (52.84.246.181:80)

TCP (HTTP):
Connects to server-52-84-246-133.sfo20.r.cloudfront.net  (52.84.246.133:80)

TCP (HTTP):
Connects to server-54-192-37-236.jfk1.r.cloudfront.net  (54.192.37.236:80)

TCP (HTTP):
Connects to server-54-192-37-189.jfk1.r.cloudfront.net  (54.192.37.189:80)

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

TCP (HTTP):
Connects to server-54-239-132-100.sfo9.r.cloudfront.net  (54.239.132.100:80)

TCP (HTTP):
Connects to server-52-85-94-18.jfk5.r.cloudfront.net  (52.85.94.18:80)

TCP (HTTP):
Connects to server-52-85-94-145.jfk5.r.cloudfront.net  (52.85.94.145:80)

TCP (HTTP):
Connects to server-54-239-132-159.sfo9.r.cloudfront.net  (54.239.132.159:80)

TCP (HTTP):
Connects to server-52-84-246-7.sfo20.r.cloudfront.net  (52.84.246.7:80)

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