diff --git a/lib/virt_autotest/utils.pm b/lib/virt_autotest/utils.pm
index ced7abb95227..9de894753378 100644
--- a/lib/virt_autotest/utils.pm
+++ b/lib/virt_autotest/utils.pm
@@ -185,7 +185,7 @@ sub is_hyperv_virtualization {
 
 # Return 1 if it is SLES MU virt test, otherwise return 0
 sub is_sles_mu_virt_test {
-    return is_sle && get_var('REGRESSION') =~ /xen|kvm|qemu|hyperv|vmware/ && !get_var("VIRT_AUTOTEST");
+    return is_sle && get_var('REGRESSION', '') =~ /xen|kvm|qemu|hyperv|vmware/ && !get_var("VIRT_AUTOTEST");
 }
 
 #return 1 if it is a fv guest judging by name
diff --git a/tests/virt_autotest/virt_utils.pm b/tests/virt_autotest/virt_utils.pm
index 71d8ef581b33..edcade65dc0f 100644
--- a/tests/virt_autotest/virt_utils.pm
+++ b/tests/virt_autotest/virt_utils.pm
@@ -403,95 +403,62 @@ sub get_guest_list {
     return $guest_list;
 }
 
-# Download guest image and xml from a NFS location to local
-# the image and xml is coming from a guest installation testsuite
-# need set SKIP_GUEST_INSTALL=1 in the test suite settings
-# return the account of the guests downloaded
-# only available on x86_64
+# Download guest image and xml which are defined in ASSET_*
+# fg. ASSET_10=guest_%-GUEST_LIST%fv-def-net_on-host_%DISTRI%-%VERSION%_build%BUILD%_%SYSTEM_ROLE%_%ARCH%.xml
+# ASSET_11=guest_%-GUEST_LIST%fv-def-net_on-host_%DISTRI%-%VERSION%_build%BUILD%_%SYSTEM_ROLE%_%ARCH%.disk
+# Need set SKIP_GUEST_INSTALL=1 in the test suite settings
+# Return the account of the guests downloaded
+# Only available on x86_64
 sub download_guest_assets {
 
     # guest_pattern is a string, like sles-11-sp4-64, may or may not with pv or fv given.
-    my ($expected_guests, $vm_xml_dir) = @_;
-
-    # mount the remote NFS location of guest assets
-    # OPENQA_URL="localhost" in local openQA instead of the IP, so the line below need to be turned on and set to the webUI IP when you are using local openQA
-    # Tips: Using local openQA, you need "rcnfs-server start & vi /etc/exports; exportfs -r")
-    # set OPENQA_URL="your_ip" on openQA web UI
-    my $openqa_server = get_required_var('OPENQA_URL');
-
-    # check if vm xml files have been uploaded
-    my @available_guests = ();
-    foreach my $guest (split "\n", $expected_guests) {
-        my $guest_asset = generate_guest_asset_name("$guest");
-        my $vm_disk_url = $openqa_server . "/assets/other/" . $guest_asset . '.disk';
-        $vm_disk_url =~ s#^(?!http://)(.*)$#http://$1#;    #add 'http://' at beginning if needed.
-        if (head($vm_disk_url)) {
-            push @available_guests, $guest;
-        }
-        else {
-            record_info('Softfail', "$vm_disk_url not found!", result => 'softfail');
-        }
-    }
-    return 0 unless @available_guests;
+    my ($guests_list, $vm_xml_dir) = @_;
 
     # clean up vm stuff
-    my $mount_point = "/tmp/remote_guest";
-    script_run "[ -d $mount_point ] && { if findmnt $mount_point; then umount $mount_point; rm -rf $mount_point; fi }";
-    script_run "mkdir -p $mount_point";
     script_run "[ -d $vm_xml_dir ] && rm -rf $vm_xml_dir; mkdir -p $vm_xml_dir";
     my $disk_image_dir = script_output "source /usr/share/qa/virtautolib/lib/virtlib; get_vm_disk_dir";
-    script_run "umount $disk_image_dir; rm -rf $disk_image_dir/*";
     script_run "[ -d /tmp/prj3_guest_migration/ ] && rm -rf /tmp/prj3_guest_migration/" if get_var('VIRT_NEW_GUEST_MIGRATION_SOURCE');
 
-    # tip: nfs4 is not supported on sles12sp4, so use '-t nfs' instead of 'nfs4' here.
-    $openqa_server =~ s/^http:\/\///;
-    my $remote_export_dir = "/var/lib/openqa/factory/other/";
-    assert_script_run("mount -t nfs $openqa_server:$remote_export_dir $mount_point", 120);
-
-    # copy guest images and xml files to local
-    # test aborts if failing in copying all the guests
-    my $guest_count = 0;
-    foreach my $guest (@available_guests) {
-        my $guest_asset = generate_guest_asset_name("$guest");
-        my $remote_guest_xml_file = $guest_asset . '.xml';
-        my $remote_guest_disk = $guest_asset . '.disk';
-
-        # download vm xml file
-        my $rc = script_run("cp $mount_point/$remote_guest_xml_file $vm_xml_dir/$guest.xml", 60);
-        if ($rc) {
-            record_info('Softfail', "Failed copying: $mount_point/$remote_guest_xml_file", result => 'softfail');
-            next;
-        }
-        script_run("ls -l $vm_xml_dir", 10);
-        save_screenshot;
-
-        # download vm disk files
-        my $local_guest_image = script_output "grep '<source file=' $vm_xml_dir/$guest.xml | sed \"s/^\\s*<source file='\\([^']*\\)'.*\$/\\1/\"";
-        # put the downloded xml and disk files in the backup dir directory
-        # in case of being flushed up by the NFS workaround from dst job
-        if (get_var('VIRT_NEW_GUEST_MIGRATION_SOURCE')) {
-            my $backupRootDir = "/tmp/prj3_guest_migration/vm_backup";
-            my $backupCfgXmlDir = "$backupRootDir/vm-config-xmls";
-            my $backupDiskDir = "$backupRootDir/vm-disk-files";
-            script_run "mkdir -p $backupCfgXmlDir; mkdir -p $backupDiskDir";
-            script_run "cp $vm_xml_dir/$guest.xml $backupCfgXmlDir";
-            script_run "ls -l $backupCfgXmlDir";
-            $local_guest_image = $backupDiskDir . $local_guest_image;
-        }
-        script_run "[ -d `dirname $local_guest_image` ] || mkdir -p `dirname $local_guest_image`";
-        $rc = script_run("cp $mount_point/$remote_guest_disk $local_guest_image", 300);    #it took 75 seconds copy from vh016 to vh001
-        script_run "ls -l $local_guest_image";
-        if ($rc) {
-            record_info('Softfail', "Failed to download: $remote_guest_disk", result => 'softfail');
-            next;
+    # check if vm xml files have been uploaded
+    my @guests = split "\n", $guests_list;
+    my @downloaded_guests;
+    foreach my $guest (@guests) {
+        my $guest_asset_name = generate_guest_asset_name("$guest");
+        for my $i (1 .. @guests) {
+            # ASSET_n0: put the guest xml file
+            # ASSET_n1: put the guest disk file
+            if (get_var("ASSET_${i}0", "") =~ /$guest_asset_name/) {
+
+                # Download the guest xml file
+                script_run("curl " . autoinst_url("/assets/other/" . get_var("ASSET_${i}0")) . " -o $vm_xml_dir/$guest.xml");
+                script_run("ls -l $vm_xml_dir");
+
+                # Download the guest disk file
+                my $local_guest_image = script_output "grep '<source file=' $vm_xml_dir/$guest.xml | sed \"s/^\\s*<source file='\\([^']*\\)'.*\$/\\1/\"";
+                # For prj3, put the downloded xml and disk files in the backup dir directory
+                # in case of being flushed up by the NFS workaround from dst job
+                if (get_var('VIRT_NEW_GUEST_MIGRATION_SOURCE')) {
+                    my $backupRootDir = "/tmp/prj3_guest_migration/vm_backup";
+                    my $backupCfgXmlDir = "$backupRootDir/vm-config-xmls";
+                    my $backupDiskDir = "$backupRootDir/vm-disk-files";
+                    script_run "mkdir -p $backupCfgXmlDir; mkdir -p $backupDiskDir";
+                    script_run "cp $vm_xml_dir/$guest.xml $backupCfgXmlDir";
+                    script_run "ls -l $backupCfgXmlDir";
+                    $local_guest_image = $backupDiskDir . $local_guest_image;
+                }
+                script_run "[ -d `dirname $local_guest_image` ] || mkdir -p `dirname $local_guest_image`";
+                # It took 14s to download vm disk file from worker cache to SUT
+                script_run("curl " . autoinst_url("/assets/other/" . get_var("ASSET_${i}1")) . " -o $local_guest_image");
+                script_run "ls -l $local_guest_image";
+                push @downloaded_guests, $guest;
+                record_info("$guest downloaded", "$guest_asset_name");
+            }
         }
-        $guest_count++;
+        record_info('Softfail', "$guest_asset_name not found!", result => 'softfail') unless grep $guest, @downloaded_guests;
     }
 
-    # umount
-    script_run("umount $mount_point");
-
-    return $guest_count;
+    record_info("Downloaded guests", "@downloaded_guests") if @downloaded_guests;
+    return @downloaded_guests;
 }
 
 sub is_installed_equal_upgrade_major_release {