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tsvr.exe

Trend Service

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-54-192-14-253.ams1.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Trend Corp.  (signed by Wenchao Zhang)

Product:
Trend Service

Description:
Service

Version:
3.0.0.64

MD5:
08005a5dc95a0bd402e8d5c259960d43

SHA-1:
045beda7d369c4080200cdfb654491bd18059d08

SHA-256:
7ccaf6ff5ceb6680035b01920a9eac37e282da95e07134d60017a3563bea0ff7

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/25/2024 2:00:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Elex (M)
16.9.18.8

File size:
200.7 KB (205,520 bytes)

Product version:
3.0.0.64

Original file name:
TSvr

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\roaming\setup1\tsvr.exe

Digital Signature
Signed by:
Wenchao Zhang

Authority:
thawte, Inc.

Valid from:
9/18/2016 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:
5BECC8AB4F876B5F288E9B47F9B3EEDC

File PE Metadata
Compilation timestamp:
9/18/2016 2:21:05 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
3072:FwkP2/flhR8uPXp3R7nfH6Rm2mAH9FYbAXo7ML8l2j2zMubDp:F72Rjh/imkoQL8l2SzhV

Entry address:
0x1AAC8

Entry point:
E8, 87, 02, 00, 00, E9, 03, FE, FF, FF, FF, 25, E0, E2, 41, 00, FF, 25, E4, E2, 41, 00, FF, 25, E8, E2, 41, 00, FF, 25, EC, E2, 41, 00, FF, 25, F0, E2, 41, 00, FF, 25, F4, E2, 41, 00, FF, 25, F8, E2, 41, 00, FF, 25, FC, E2, 41, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 68, 69, AB, 41, 00, 64, FF, 35, 00, 00, 00, 00, 8B, 44, 24, 10, 89, 6C, 24, 10, 8D, 6C, 24, 10, 2B, E0, 53, 56, 57, A1, 00, 40, 42, 00, 31, 45, FC, 33, C5, 50, 89, 65, E8, FF, 75, F8, 8B, 45, FC, C7, 45, FC, FE, FF, FF, FF...
 
[+]

Entropy:
6.2373

Code size:
113 KB (115,712 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-54-192-14-253.ams1.r.cloudfront.net  (54.192.14.253:80)

TCP (HTTP):
Connects to server-54-230-141-7.sfo5.r.cloudfront.net  (54.230.141.7:80)

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

TCP (HTTP):
Connects to server-52-85-63-60.lhr50.r.cloudfront.net  (52.85.63.60:80)

TCP (HTTP):
Connects to server-52-85-63-47.lhr50.r.cloudfront.net  (52.85.63.47:80)

TCP (HTTP):
Connects to server-54-230-141-31.sfo5.r.cloudfront.net  (54.230.141.31:80)

TCP (HTTP):
Connects to server-52-84-33-182.ewr50.r.cloudfront.net  (52.84.33.182:80)

TCP (HTTP):
Connects to server-54-239-132-43.sfo9.r.cloudfront.net  (54.239.132.43:80)

TCP (HTTP):
Connects to server-54-239-132-177.sfo9.r.cloudfront.net  (54.239.132.177:80)

TCP (HTTP):
Connects to server-54-230-0-62.lhr5.r.cloudfront.net  (54.230.0.62:80)

TCP (HTTP):
Connects to server-54-230-0-147.lhr5.r.cloudfront.net  (54.230.0.147:80)

TCP (HTTP):
Connects to server-52-85-83-160.lax1.r.cloudfront.net  (52.85.83.160:80)

TCP (HTTP):
Connects to server-52-85-77-26.lax3.r.cloudfront.net  (52.85.77.26:80)

TCP (HTTP):
Connects to server-52-85-77-146.lax3.r.cloudfront.net  (52.85.77.146:80)

TCP (HTTP):
Connects to server-52-85-77-124.lax3.r.cloudfront.net  (52.85.77.124:80)

TCP (HTTP):
Connects to server-52-85-63-4.lhr50.r.cloudfront.net  (52.85.63.4:80)

TCP (HTTP):
Connects to server-52-85-63-19.lhr50.r.cloudfront.net  (52.85.63.19:80)

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